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 Stack Overflow by user3279182
, 2 years ago
This exception has no message.
via ecyrd.com by Unknown author, 1 year ago
This exception has no message.
via ecyrd.com by Unknown author, 10 months ago
This exception has no message.
via Coderanch by Nagendra Batchu, 1 year ago
via strutstestcase by nobody
, 1 year ago
This exception has no message.
java.lang.NullPointerException: 	at java.lang.System.arraycopy(Native Method)	at java.lang.AbstractStringBuilder.getChars(AbstractStringBuilder.java:331)	at java.lang.StringBuffer.getChars(StringBuffer.java:202)	at org.apache.log4j.helpers.ISO8601DateFormat.format(ISO8601DateFormat.java:120)	at java.text.DateFormat.format(DateFormat.java:314)	at org.apache.log4j.helpers.PatternParser$DatePatternConverter.convert(PatternParser.java:436)	at org.apache.log4j.helpers.PatternConverter.format(PatternConverter.java:56)	at org.apache.log4j.PatternLayout.format(PatternLayout.java:495)	at org.apache.log4j.WriterAppender.subAppend(WriterAppender.java:292)	at org.apache.log4j.RollingFileAppender.subAppend(RollingFileAppender.java:225)	at org.apache.log4j.WriterAppender.append(WriterAppender.java:150)	at org.apache.log4j.AppenderSkeleton.doAppend(AppenderSkeleton.java:221)	at org.apache.log4j.helpers.AppenderAttachableImpl.appendLoopOnAppenders(AppenderAttachableImpl.java:57)	at org.apache.log4j.Category.callAppenders(Category.java:194)	at org.apache.log4j.Category.forcedLog(Category.java:379)	at org.apache.log4j.Category.log(Category.java:844)	at org.apache.commons.logging.impl.Log4JLogger.error(Log4JLogger.java:193)	at org.apache.struts.action.ActionServlet.init(ActionServlet.java:364)	at javax.servlet.GenericServlet.init(GenericServlet.java:168)	at servletunit.struts.CactusStrutsTestCase.getActionServlet(CactusStrutsTestCase.java:477)	at servletunit.struts.CactusStrutsTestCase.actionPerform(CactusStrutsTestCase.java:536)	at cz.muni.cba.detlib.actions.TestActionLogin.testSuccessfullLogin(TestActionLogin.java:61)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:585)	at junit.framework.TestCase.runTest(TestCase.java:154)	at junit.framework.TestCase.runBare(TestCase.java:127)	at org.apache.cactus.internal.AbstractCactusTestCase.runBareServer(AbstractCactusTestCase.java:153)	at org.apache.cactus.internal.server.AbstractWebTestCaller.doTest(AbstractWebTestCaller.java:119)