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 GitHub by salyh
, 1 year ago
via Google Groups by gregor...@uni-greifswald.de, 9 months ago
This exception has no message.
via GitHub by chmeyer
, 2 years ago
via manifoldcf-user by Andrew Clegg, 1 year ago
via manifoldcf-user by Karl Wright, 1 year ago
via manifoldcf-user by Andrew Clegg, 1 year ago
java.lang.NullPointerException: 	at java.util.TreeMap.getEntry(TreeMap.java:347)	at java.util.TreeMap.containsKey(TreeMap.java:232)	at java.util.TreeSet.contains(TreeSet.java:234)	at java.util.Collections$UnmodifiableCollection.contains(Collections.java:1032)	at org.elasticsearch.plugins.InstallPluginCommand.download(InstallPluginCommand.java:209)	at org.elasticsearch.plugins.InstallPluginCommand.execute(InstallPluginCommand.java:202)	at org.elasticsearch.plugins.InstallPluginCommand.execute(InstallPluginCommand.java:190)	at org.elasticsearch.cli.SettingCommand.execute(SettingCommand.java:54)	at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:96)	at org.elasticsearch.cli.MultiCommand.execute(MultiCommand.java:69)	at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:96)	at org.elasticsearch.cli.Command.main(Command.java:62)	at org.elasticsearch.plugins.PluginCli.main(PluginCli.java:42)