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 Spring JIRA by Ken Rimple, 1 year ago
java.lang.IllegalStateException: java.lang.NullPointerException
via Spring JIRA by Ken Rimple, 2 years ago
java.lang.IllegalStateException: java.lang.NullPointerException
org.apache.felix.log.LogException: java.lang.IllegalStateException: java.lang.NullPointerException	at org.springframework.roo.felix.pgp.PgpServiceImpl.isResourceSignedBySignature(PgpServiceImpl.java:414)	at org.springframework.roo.felix.HttpPgpUrlStreamHandlerServiceImpl.openConnection(HttpPgpUrlStreamHandlerServiceImpl.java:109)	at org.apache.felix.framework.URLHandlersStreamHandlerProxy.openConnection(URLHandlersStreamHandlerProxy.java:271)	at java.net.URL.openConnection(URL.java:945)	at org.apache.felix.bundlerepository.impl.FileUtil.openURL(FileUtil.java:199)	at org.apache.felix.bundlerepository.impl.ResolverImpl.deploy(ResolverImpl.java:598)	at org.apache.felix.bundlerepository.impl.ObrCommandImpl._deploy(ObrCommandImpl.java:395)	at org.apache.felix.bundlerepository.impl.ObrCommandImpl.deploy(ObrCommandImpl.java:333)	at org.apache.felix.bundlerepository.impl.ObrCommandImpl.execute(ObrCommandImpl.java:119)	at org.apache.felix.shell.impl.Activator$ShellServiceImpl.executeCommand(Activator.java:286)	at org.springframework.roo.felix.FelixDelegator.perform(FelixDelegator.java:256)	at org.springframework.roo.felix.FelixDelegator.obrStart(FelixDelegator.java:245)	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:597)	at org.springframework.roo.support.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:191)