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    Thrown when an application is trying to use or access an object whose reference equals to null but if you are getting no message, try using the option -XX:-OmitStackTraceInFastThrow.

Solutions on the web

via GitHub by Shasharoman
, 1 year ago
This exception has no message.
via GitHub by ex00
, 1 year ago
This exception has no message.
via Google Groups by Stefan Bielenberg, 5 months ago
This exception has no message.
via Google Groups by Undeleterious, 6 months ago
via Java.net JIRA by exu, 1 year ago
via Oracle Community by 807589, 1 year ago
java.lang.NullPointerException: 	at java.io.Reader.(Reader.java:78)	at java.io.InputStreamReader.(InputStreamReader.java:97)	at org.wltea.analyzer.dic.Dictionary.loadMainDict(Dictionary.java:237)	at org.wltea.analyzer.dic.Dictionary.initial(Dictionary.java:107)	at org.elasticsearch.indices.analysis.IKIndicesAnalysis.(IKIndicesAnalysis.java:29)	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)