java.lang.NullPointerException: null

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 JIRA by Etienne Morency-Bachand [X], 1 year ago
null
via JIRA by Etienne Morency-Bachand [X], 1 year ago
null
java.lang.NullPointerException: null
at org.obiba.magma.datasource.mongodb.converter.VariableConverter.getFieldAsString(VariableConverter.java:95)
at org.obiba.magma.datasource.mongodb.converter.VariableConverter.unmarshall(VariableConverter.java:42)
at org.obiba.magma.datasource.mongodb.MongoDBVariableValueSource.getVariable(MongoDBVariableValueSource.java:54)
at org.obiba.magma.support.AbstractValueTable$3.apply(AbstractValueTable.java:135)
at org.obiba.magma.support.AbstractValueTable$3.apply(AbstractValueTable.java:132)
at com.google.common.collect.Iterators$7.computeNext(Iterators.java:647)
at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143)
at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138)
at com.google.common.collect.AbstractIterator.next(AbstractIterator.java:153)
at com.google.common.collect.Iterators.find(Iterators.java:712)
at org.obiba.magma.support.AbstractValueTable.getVariableValueSource(AbstractValueTable.java:132)
at org.obiba.magma.support.AbstractValueTable.getVariable(AbstractValueTable.java:111)
at org.obiba.magma.support.AbstractValueTableWrapper.getVariable(AbstractValueTableWrapper.java:72)
at org.obiba.magma.security.SecuredValueTable.getVariable(SecuredValueTable.java:41)
at org.obiba.opal.web.magma.CompareResourceImpl.getConflicts(CompareResourceImpl.java:224)
at org.obiba.opal.web.magma.CompareResourceImpl.createTableCompareDto(CompareResourceImpl.java:155)
at org.obiba.opal.web.magma.CompareResourceImpl.createTableCompareDto(CompareResourceImpl.java:131)
at org.obiba.opal.web.magma.CompareResourceImpl.createDatasourceCompareDto(CompareResourceImpl.java:109)
at org.obiba.opal.web.magma.CompareResourceImpl.compare(CompareResourceImpl.java:79)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317)
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:96)
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:260)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at com.sun.proxy.$Proxy114.compare(Unknown Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:137)
at org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTarget(ResourceMethodInvoker.java:280)
at org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:234)
at org.jboss.resteasy.core.ResourceLocatorInvoker.invokeOnTargetObject(ResourceLocatorInvoker.java:140)
at org.jboss.resteasy.core.ResourceLocatorInvoker.invoke(ResourceLocatorInvoker.java:103)
at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:356)
at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:179)
at org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:220)
at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:56)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:652)
at org.obiba.opal.server.httpd.AuthenticationFilter.doFilterInternal(AuthenticationFilter.java:73)
at org.obiba.opal.server.httpd.OpalVersionFilter.doFilterInternal(OpalVersionFilter.java:39)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1300)
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:445)
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1038)
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:374)
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:972)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
at org.eclipse.jetty.server.handler.HandlerList.handle(HandlerList.java:52)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
at org.eclipse.jetty.server.Server.handle(Server.java:363)
at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:483)
at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:920)
at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:982)
at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:635)
at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)
at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:628)
at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)
at java.lang.Thread.run(Thread.java:724)

Users with the same issue

You are the first who have seen this exception.

Write tip

Know the solutions? Share your knowledge to help other developers to debug faster.