java.lang.NullPointerException: This exception has no message.

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via Atlassian JIRA by Pietro Schaff [Atlassian], 1 year ago
This exception has no message.
via Atlassian JIRA by Pietro Schaff [Atlassian], 1 year ago
This exception has no message.
via http://www.openoffice.org/issues/ by gilh, 1 year ago
via Stack Overflow by Gyowanny Pessatto Queiroz
, 2 years ago
This exception has no message.
via liferay.com by Unknown author, 1 year ago
via GitHub by noderblade
, 1 year ago
This exception has no message.
java.lang.NullPointerException:
at java.util.Hashtable.put(Hashtable.java:514)
at java.util.Properties.setProperty(Properties.java:161)
at com.atlassian.crowd.dao.directory.DirectoryPropertiesMapper.exportProperties(DirectoryPropertiesMapper.java:222)
at com.atlassian.crowd.file.FileConfigurationExporter.exportDirectories(FileConfigurationExporter.java:29)
at com.atlassian.crowd.manager.backup.DefaultBackupManager.backup(DefaultBackupManager.java:74)
at sun.reflect.GeneratedMethodAccessor545.invoke(Unknown Source)
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$1.proceedWithInvocation(TransactionInterceptor.java:96)
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:260)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
at com.sun.proxy.$Proxy60.backup(Unknown Source)
at com.atlassian.crowd.manager.backup.BackupJobRunner.runJob(BackupJobRunner.java:37)
at com.atlassian.scheduler.core.JobLauncher.runJob(JobLauncher.java:135)
at com.atlassian.scheduler.core.JobLauncher.launchAndBuildResponse(JobLauncher.java:101)
at com.atlassian.scheduler.core.JobLauncher.launch(JobLauncher.java:80)
at com.atlassian.scheduler.quartz1.Quartz1Job.execute(Quartz1Job.java:32)
at org.quartz.core.JobRunShell.run(JobRunShell.java:223)

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