Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via Google Groups by Marteijn Nouwens, 1 year ago
This exception has no message.
via Google Groups by Alberto Mancini, 1 year ago
This exception has no message.
via Google Groups by Marteijn Nouwens, 1 year ago
This exception has no message.
via Google Groups by Alberto Mancini, 1 year ago
This exception has no message.
via howtodoinjava.com by Unknown author, 1 year ago
via Coderanch by Nathan Doe, 1 year ago
java.lang.NullPointerException: 	at java.util.TreeMap.put(TreeMap.java:563)	at java.util.TreeSet.add(TreeSet.java:255)	at com.google.gwt.thirdparty.guava.common.collect.ForwardingCollection.add(ForwardingCollection.java:84)	at com.google.gwt.core.ext.linker.TypeIndexedSet.add(TypeIndexedSet.java:101)	at com.google.gwt.core.ext.linker.ArtifactSet.add(ArtifactSet.java:42)	at com.google.gwt.core.linker.SymbolMapsLinker.link(SymbolMapsLinker.java:330)	at com.google.gwt.core.ext.linker.impl.StandardLinkerContext.invokeLinkForOnePermutation(StandardLinkerContext.java:384)	at com.google.gwt.dev.Link.finishPermutation(Link.java:483)	at com.google.gwt.dev.Link.doSimulatedShardingLink(Link.java:445)	at com.google.gwt.dev.Link.link(Link.java:178)	at com.google.gwt.dev.Compiler.compile(Compiler.java:244)	at com.google.gwt.dev.codeserver.Recompiler.doCompile(Recompiler.java:362)	at com.google.gwt.dev.codeserver.Recompiler.compile(Recompiler.java:175)	at com.google.gwt.dev.codeserver.Recompiler.recompile(Recompiler.java:134)	at com.google.gwt.dev.codeserver.Outbox.recompile(Outbox.java:135)	at com.google.gwt.dev.codeserver.JobRunner.recompile(JobRunner.java:113)	at com.google.gwt.dev.codeserver.JobRunner.access$000(JobRunner.java:37)	at com.google.gwt.dev.codeserver.JobRunner$2.run(JobRunner.java:90)	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)	at java.util.concurrent.FutureTask.run(FutureTask.java:266)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)	at java.lang.Thread.run(Thread.java:745)