HTTP ERROR 500

Problem accessing /mom/index/IllUrkGlossar/. Reason:

    Server Error

Caused by:

javax.servlet.ServletException: javax.servlet.ServletException: An error occurred while processing request to /mom/index/IllUrkGlossar/: An error occurred: Illegal argument target.  Argument can not be null or of length 0
	at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:146)
	at org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:753)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
	at org.eclipse.jetty.server.Server.handle(Server.java:502)
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:364)
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:260)
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:305)
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103)
	at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:118)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126)
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366)
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:765)
	at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:683)
	at java.lang.Thread.run(Thread.java:750)
Caused by: javax.servlet.ServletException: An error occurred while processing request to /mom/index/IllUrkGlossar/: An error occurred: Illegal argument target.  Argument can not be null or of length 0
	at org.exist.http.urlrewrite.XQueryURLRewrite.service(XQueryURLRewrite.java:370)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:867)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1623)
	at de.betterform.agent.web.filter.XFormsFilter.doFilter(XFormsFilter.java:171)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1602)
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:540)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146)
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:524)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257)
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1588)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1345)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203)
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:480)
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1557)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201)
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1247)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144)
	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:220)
	at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:126)
	... 16 more
Caused by: javax.servlet.ServletException: An error occurred: Illegal argument target.  Argument can not be null or of length 0
	at org.exist.http.servlets.EXistServlet.doGet(EXistServlet.java:282)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:687)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:867)
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:542)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146)
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:566)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257)
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1588)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1345)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203)
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:480)
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1557)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201)
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1247)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144)
	at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:168)
	at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:78)
	at org.exist.http.urlrewrite.Forward.doRewrite(Forward.java:51)
	at org.exist.http.urlrewrite.XQueryURLRewrite.doRewrite(XQueryURLRewrite.java:524)
	at org.exist.http.urlrewrite.XQueryURLRewrite.service(XQueryURLRewrite.java:343)
	... 37 more
Caused by: java.lang.IllegalArgumentException: Illegal argument target.  Argument can not be null or of length 0
	at com.ibm.icu.text.SearchIterator.<init>(SearchIterator.java:636)
	at com.ibm.icu.text.StringSearch.<init>(StringSearch.java:181)
	at com.ibm.icu.text.StringSearch.<init>(StringSearch.java:234)
	at org.exist.util.Collations.startsWith(Collations.java:298)
	at org.exist.xquery.value.StringValue.startsWith(StringValue.java:657)
	at org.exist.xquery.GeneralComparison.compareAtomic(GeneralComparison.java:1081)
	at org.exist.xquery.GeneralComparison.genericCompare(GeneralComparison.java:553)
	at org.exist.xquery.GeneralComparison.genericCompare(GeneralComparison.java:520)
	at org.exist.xquery.GeneralComparison.eval(GeneralComparison.java:475)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:97)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:102)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:99)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.AbstractExpression.eval(AbstractExpression.java:71)
	at org.exist.xquery.PathExpr.eval(PathExpr.java:276)
	at org.exist.xquery.EnclosedExpr.eval(EnclosedExpr.java:85)
	at org.exist.xquery.AbstractExpression.eval(AbstractExpression.java:71)
	at org.exist.xquery.PathExpr.eval(PathExpr.java:276)
	at org.exist.xquery.ElementConstructor.eval(ElementConstructor.java:331)
	at org.exist.xquery.AbstractExpression.eval(AbstractExpression.java:71)
	at org.exist.xquery.PathExpr.eval(PathExpr.java:276)
	at org.exist.xquery.AbstractExpression.eval(AbstractExpression.java:71)
	at org.exist.xquery.XQuery.execute(XQuery.java:261)
	at org.exist.xquery.functions.util.Eval.execute(Eval.java:447)
	at org.exist.xquery.functions.util.Eval.doEval(Eval.java:346)
	at org.exist.xquery.functions.util.Eval.eval(Eval.java:209)
	at org.exist.xquery.BasicFunction.eval(BasicFunction.java:74)
	at org.exist.xquery.InternalFunctionCall.eval(InternalFunctionCall.java:41)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:100)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.UserDefinedFunction.eval(UserDefinedFunction.java:162)
	at org.exist.xquery.FunctionCall.evalFunction(FunctionCall.java:302)
	at org.exist.xquery.FunctionCall.eval(FunctionCall.java:223)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:100)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.UserDefinedFunction.eval(UserDefinedFunction.java:162)
	at org.exist.xquery.FunctionCall.evalFunction(FunctionCall.java:302)
	at org.exist.xquery.FunctionCall.eval(FunctionCall.java:223)
	at org.exist.xquery.AbstractExpression.eval(AbstractExpression.java:71)
	at org.exist.xquery.PathExpr.eval(PathExpr.java:276)
	at org.exist.xquery.SequenceConstructor.eval(SequenceConstructor.java:84)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:102)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:100)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:102)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:102)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:102)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:102)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:102)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:102)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:99)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.UserDefinedFunction.eval(UserDefinedFunction.java:162)
	at org.exist.xquery.FunctionCall.evalFunction(FunctionCall.java:302)
	at org.exist.xquery.FunctionCall.eval(FunctionCall.java:223)
	at org.exist.xquery.AbstractExpression.eval(AbstractExpression.java:71)
	at org.exist.xquery.PathExpr.eval(PathExpr.java:276)
	at org.exist.xquery.AbstractExpression.eval(AbstractExpression.java:71)
	at org.exist.xquery.XQuery.execute(XQuery.java:261)
	at org.exist.xquery.XQuery.execute(XQuery.java:185)
	at org.exist.http.RESTServer.executeXQuery(RESTServer.java:1520)
	at org.exist.http.RESTServer.doGet(RESTServer.java:522)
	at org.exist.http.servlets.EXistServlet.doGet(EXistServlet.java:249)
	... 59 more

Caused by:

javax.servlet.ServletException: An error occurred while processing request to /mom/index/IllUrkGlossar/: An error occurred: Illegal argument target.  Argument can not be null or of length 0
	at org.exist.http.urlrewrite.XQueryURLRewrite.service(XQueryURLRewrite.java:370)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:867)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1623)
	at de.betterform.agent.web.filter.XFormsFilter.doFilter(XFormsFilter.java:171)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1602)
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:540)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146)
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:524)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257)
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1588)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1345)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203)
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:480)
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1557)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201)
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1247)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144)
	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:220)
	at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:126)
	at org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:753)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
	at org.eclipse.jetty.server.Server.handle(Server.java:502)
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:364)
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:260)
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:305)
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103)
	at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:118)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126)
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366)
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:765)
	at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:683)
	at java.lang.Thread.run(Thread.java:750)
Caused by: javax.servlet.ServletException: An error occurred: Illegal argument target.  Argument can not be null or of length 0
	at org.exist.http.servlets.EXistServlet.doGet(EXistServlet.java:282)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:687)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:867)
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:542)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146)
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:566)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257)
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1588)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1345)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203)
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:480)
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1557)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201)
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1247)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144)
	at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:168)
	at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:78)
	at org.exist.http.urlrewrite.Forward.doRewrite(Forward.java:51)
	at org.exist.http.urlrewrite.XQueryURLRewrite.doRewrite(XQueryURLRewrite.java:524)
	at org.exist.http.urlrewrite.XQueryURLRewrite.service(XQueryURLRewrite.java:343)
	... 37 more
Caused by: java.lang.IllegalArgumentException: Illegal argument target.  Argument can not be null or of length 0
	at com.ibm.icu.text.SearchIterator.<init>(SearchIterator.java:636)
	at com.ibm.icu.text.StringSearch.<init>(StringSearch.java:181)
	at com.ibm.icu.text.StringSearch.<init>(StringSearch.java:234)
	at org.exist.util.Collations.startsWith(Collations.java:298)
	at org.exist.xquery.value.StringValue.startsWith(StringValue.java:657)
	at org.exist.xquery.GeneralComparison.compareAtomic(GeneralComparison.java:1081)
	at org.exist.xquery.GeneralComparison.genericCompare(GeneralComparison.java:553)
	at org.exist.xquery.GeneralComparison.genericCompare(GeneralComparison.java:520)
	at org.exist.xquery.GeneralComparison.eval(GeneralComparison.java:475)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:97)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:102)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:99)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.AbstractExpression.eval(AbstractExpression.java:71)
	at org.exist.xquery.PathExpr.eval(PathExpr.java:276)
	at org.exist.xquery.EnclosedExpr.eval(EnclosedExpr.java:85)
	at org.exist.xquery.AbstractExpression.eval(AbstractExpression.java:71)
	at org.exist.xquery.PathExpr.eval(PathExpr.java:276)
	at org.exist.xquery.ElementConstructor.eval(ElementConstructor.java:331)
	at org.exist.xquery.AbstractExpression.eval(AbstractExpression.java:71)
	at org.exist.xquery.PathExpr.eval(PathExpr.java:276)
	at org.exist.xquery.AbstractExpression.eval(AbstractExpression.java:71)
	at org.exist.xquery.XQuery.execute(XQuery.java:261)
	at org.exist.xquery.functions.util.Eval.execute(Eval.java:447)
	at org.exist.xquery.functions.util.Eval.doEval(Eval.java:346)
	at org.exist.xquery.functions.util.Eval.eval(Eval.java:209)
	at org.exist.xquery.BasicFunction.eval(BasicFunction.java:74)
	at org.exist.xquery.InternalFunctionCall.eval(InternalFunctionCall.java:41)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:100)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.UserDefinedFunction.eval(UserDefinedFunction.java:162)
	at org.exist.xquery.FunctionCall.evalFunction(FunctionCall.java:302)
	at org.exist.xquery.FunctionCall.eval(FunctionCall.java:223)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:100)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.UserDefinedFunction.eval(UserDefinedFunction.java:162)
	at org.exist.xquery.FunctionCall.evalFunction(FunctionCall.java:302)
	at org.exist.xquery.FunctionCall.eval(FunctionCall.java:223)
	at org.exist.xquery.AbstractExpression.eval(AbstractExpression.java:71)
	at org.exist.xquery.PathExpr.eval(PathExpr.java:276)
	at org.exist.xquery.SequenceConstructor.eval(SequenceConstructor.java:84)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:102)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:100)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:102)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:102)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:102)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:102)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:102)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:102)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:99)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.UserDefinedFunction.eval(UserDefinedFunction.java:162)
	at org.exist.xquery.FunctionCall.evalFunction(FunctionCall.java:302)
	at org.exist.xquery.FunctionCall.eval(FunctionCall.java:223)
	at org.exist.xquery.AbstractExpression.eval(AbstractExpression.java:71)
	at org.exist.xquery.PathExpr.eval(PathExpr.java:276)
	at org.exist.xquery.AbstractExpression.eval(AbstractExpression.java:71)
	at org.exist.xquery.XQuery.execute(XQuery.java:261)
	at org.exist.xquery.XQuery.execute(XQuery.java:185)
	at org.exist.http.RESTServer.executeXQuery(RESTServer.java:1520)
	at org.exist.http.RESTServer.doGet(RESTServer.java:522)
	at org.exist.http.servlets.EXistServlet.doGet(EXistServlet.java:249)
	... 59 more

Caused by:

javax.servlet.ServletException: An error occurred: Illegal argument target.  Argument can not be null or of length 0
	at org.exist.http.servlets.EXistServlet.doGet(EXistServlet.java:282)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:687)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:867)
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:542)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146)
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:566)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257)
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1588)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1345)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203)
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:480)
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1557)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201)
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1247)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144)
	at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:168)
	at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:78)
	at org.exist.http.urlrewrite.Forward.doRewrite(Forward.java:51)
	at org.exist.http.urlrewrite.XQueryURLRewrite.doRewrite(XQueryURLRewrite.java:524)
	at org.exist.http.urlrewrite.XQueryURLRewrite.service(XQueryURLRewrite.java:343)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:867)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1623)
	at de.betterform.agent.web.filter.XFormsFilter.doFilter(XFormsFilter.java:171)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1602)
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:540)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146)
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:524)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257)
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1588)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1345)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203)
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:480)
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1557)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201)
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1247)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144)
	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:220)
	at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:126)
	at org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:753)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
	at org.eclipse.jetty.server.Server.handle(Server.java:502)
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:364)
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:260)
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:305)
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103)
	at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:118)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126)
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366)
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:765)
	at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:683)
	at java.lang.Thread.run(Thread.java:750)
Caused by: java.lang.IllegalArgumentException: Illegal argument target.  Argument can not be null or of length 0
	at com.ibm.icu.text.SearchIterator.<init>(SearchIterator.java:636)
	at com.ibm.icu.text.StringSearch.<init>(StringSearch.java:181)
	at com.ibm.icu.text.StringSearch.<init>(StringSearch.java:234)
	at org.exist.util.Collations.startsWith(Collations.java:298)
	at org.exist.xquery.value.StringValue.startsWith(StringValue.java:657)
	at org.exist.xquery.GeneralComparison.compareAtomic(GeneralComparison.java:1081)
	at org.exist.xquery.GeneralComparison.genericCompare(GeneralComparison.java:553)
	at org.exist.xquery.GeneralComparison.genericCompare(GeneralComparison.java:520)
	at org.exist.xquery.GeneralComparison.eval(GeneralComparison.java:475)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:97)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:102)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:99)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.AbstractExpression.eval(AbstractExpression.java:71)
	at org.exist.xquery.PathExpr.eval(PathExpr.java:276)
	at org.exist.xquery.EnclosedExpr.eval(EnclosedExpr.java:85)
	at org.exist.xquery.AbstractExpression.eval(AbstractExpression.java:71)
	at org.exist.xquery.PathExpr.eval(PathExpr.java:276)
	at org.exist.xquery.ElementConstructor.eval(ElementConstructor.java:331)
	at org.exist.xquery.AbstractExpression.eval(AbstractExpression.java:71)
	at org.exist.xquery.PathExpr.eval(PathExpr.java:276)
	at org.exist.xquery.AbstractExpression.eval(AbstractExpression.java:71)
	at org.exist.xquery.XQuery.execute(XQuery.java:261)
	at org.exist.xquery.functions.util.Eval.execute(Eval.java:447)
	at org.exist.xquery.functions.util.Eval.doEval(Eval.java:346)
	at org.exist.xquery.functions.util.Eval.eval(Eval.java:209)
	at org.exist.xquery.BasicFunction.eval(BasicFunction.java:74)
	at org.exist.xquery.InternalFunctionCall.eval(InternalFunctionCall.java:41)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:100)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.UserDefinedFunction.eval(UserDefinedFunction.java:162)
	at org.exist.xquery.FunctionCall.evalFunction(FunctionCall.java:302)
	at org.exist.xquery.FunctionCall.eval(FunctionCall.java:223)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:100)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.UserDefinedFunction.eval(UserDefinedFunction.java:162)
	at org.exist.xquery.FunctionCall.evalFunction(FunctionCall.java:302)
	at org.exist.xquery.FunctionCall.eval(FunctionCall.java:223)
	at org.exist.xquery.AbstractExpression.eval(AbstractExpression.java:71)
	at org.exist.xquery.PathExpr.eval(PathExpr.java:276)
	at org.exist.xquery.SequenceConstructor.eval(SequenceConstructor.java:84)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:102)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:100)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:102)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:102)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:102)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:102)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:102)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:102)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:99)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.UserDefinedFunction.eval(UserDefinedFunction.java:162)
	at org.exist.xquery.FunctionCall.evalFunction(FunctionCall.java:302)
	at org.exist.xquery.FunctionCall.eval(FunctionCall.java:223)
	at org.exist.xquery.AbstractExpression.eval(AbstractExpression.java:71)
	at org.exist.xquery.PathExpr.eval(PathExpr.java:276)
	at org.exist.xquery.AbstractExpression.eval(AbstractExpression.java:71)
	at org.exist.xquery.XQuery.execute(XQuery.java:261)
	at org.exist.xquery.XQuery.execute(XQuery.java:185)
	at org.exist.http.RESTServer.executeXQuery(RESTServer.java:1520)
	at org.exist.http.RESTServer.doGet(RESTServer.java:522)
	at org.exist.http.servlets.EXistServlet.doGet(EXistServlet.java:249)
	... 59 more

Caused by:

java.lang.IllegalArgumentException: Illegal argument target.  Argument can not be null or of length 0
	at com.ibm.icu.text.SearchIterator.<init>(SearchIterator.java:636)
	at com.ibm.icu.text.StringSearch.<init>(StringSearch.java:181)
	at com.ibm.icu.text.StringSearch.<init>(StringSearch.java:234)
	at org.exist.util.Collations.startsWith(Collations.java:298)
	at org.exist.xquery.value.StringValue.startsWith(StringValue.java:657)
	at org.exist.xquery.GeneralComparison.compareAtomic(GeneralComparison.java:1081)
	at org.exist.xquery.GeneralComparison.genericCompare(GeneralComparison.java:553)
	at org.exist.xquery.GeneralComparison.genericCompare(GeneralComparison.java:520)
	at org.exist.xquery.GeneralComparison.eval(GeneralComparison.java:475)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:97)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:102)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:99)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.AbstractExpression.eval(AbstractExpression.java:71)
	at org.exist.xquery.PathExpr.eval(PathExpr.java:276)
	at org.exist.xquery.EnclosedExpr.eval(EnclosedExpr.java:85)
	at org.exist.xquery.AbstractExpression.eval(AbstractExpression.java:71)
	at org.exist.xquery.PathExpr.eval(PathExpr.java:276)
	at org.exist.xquery.ElementConstructor.eval(ElementConstructor.java:331)
	at org.exist.xquery.AbstractExpression.eval(AbstractExpression.java:71)
	at org.exist.xquery.PathExpr.eval(PathExpr.java:276)
	at org.exist.xquery.AbstractExpression.eval(AbstractExpression.java:71)
	at org.exist.xquery.XQuery.execute(XQuery.java:261)
	at org.exist.xquery.functions.util.Eval.execute(Eval.java:447)
	at org.exist.xquery.functions.util.Eval.doEval(Eval.java:346)
	at org.exist.xquery.functions.util.Eval.eval(Eval.java:209)
	at org.exist.xquery.BasicFunction.eval(BasicFunction.java:74)
	at org.exist.xquery.InternalFunctionCall.eval(InternalFunctionCall.java:41)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:100)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.UserDefinedFunction.eval(UserDefinedFunction.java:162)
	at org.exist.xquery.FunctionCall.evalFunction(FunctionCall.java:302)
	at org.exist.xquery.FunctionCall.eval(FunctionCall.java:223)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:100)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.UserDefinedFunction.eval(UserDefinedFunction.java:162)
	at org.exist.xquery.FunctionCall.evalFunction(FunctionCall.java:302)
	at org.exist.xquery.FunctionCall.eval(FunctionCall.java:223)
	at org.exist.xquery.AbstractExpression.eval(AbstractExpression.java:71)
	at org.exist.xquery.PathExpr.eval(PathExpr.java:276)
	at org.exist.xquery.SequenceConstructor.eval(SequenceConstructor.java:84)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:102)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:100)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:102)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:102)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:102)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:102)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:102)
	at org.exist.xquery.DebuggableExpression.eval(DebuggableExpression.java:58)
	at org.exist.xquery.ConditionalExpression.eval(ConditionalExpression.java:102)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:99)
	at org.exist.xquery.LetExpr.eval(LetExpr.java:111)
	at org.exist.xquery.UserDefinedFunction.eval(UserDefinedFunction.java:162)
	at org.exist.xquery.FunctionCall.evalFunction(FunctionCall.java:302)
	at org.exist.xquery.FunctionCall.eval(FunctionCall.java:223)
	at org.exist.xquery.AbstractExpression.eval(AbstractExpression.java:71)
	at org.exist.xquery.PathExpr.eval(PathExpr.java:276)
	at org.exist.xquery.AbstractExpression.eval(AbstractExpression.java:71)
	at org.exist.xquery.XQuery.execute(XQuery.java:261)
	at org.exist.xquery.XQuery.execute(XQuery.java:185)
	at org.exist.http.RESTServer.executeXQuery(RESTServer.java:1520)
	at org.exist.http.RESTServer.doGet(RESTServer.java:522)
	at org.exist.http.servlets.EXistServlet.doGet(EXistServlet.java:249)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:687)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:867)
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:542)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146)
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:566)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257)
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1588)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1345)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203)
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:480)
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1557)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201)
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1247)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144)
	at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:168)
	at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:78)
	at org.exist.http.urlrewrite.Forward.doRewrite(Forward.java:51)
	at org.exist.http.urlrewrite.XQueryURLRewrite.doRewrite(XQueryURLRewrite.java:524)
	at org.exist.http.urlrewrite.XQueryURLRewrite.service(XQueryURLRewrite.java:343)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:867)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1623)
	at de.betterform.agent.web.filter.XFormsFilter.doFilter(XFormsFilter.java:171)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1602)
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:540)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:146)
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:524)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:257)
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1588)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:255)
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1345)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:203)
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:480)
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1557)
	at org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:201)
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1247)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:144)
	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:220)
	at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:126)
	at org.eclipse.jetty.server.handler.gzip.GzipHandler.handle(GzipHandler.java:753)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)
	at org.eclipse.jetty.server.Server.handle(Server.java:502)
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:364)
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:260)
	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:305)
	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103)
	at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:118)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:333)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:310)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:168)
	at org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:126)
	at org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:366)
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:765)
	at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:683)
	at java.lang.Thread.run(Thread.java:750)

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