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 Stack Overflow by Karim Mtl
, 1 year ago
This exception has no message.
java.lang.NullPointerException: 	at org.apache.jena.tdb.sys.EnvTDB.processGlobalSystemProperties(EnvTDB.java:33)	at org.apache.jena.tdb.TDB.init(TDB.java:248)	at org.apache.jena.tdb.sys.InitTDB.start(InitTDB.java:29)	at org.apache.jena.system.JenaSystem.lambda$init$2(JenaSystem.java:119)	at java.util.ArrayList.forEach(ArrayList.java:1249)	at org.apache.jena.system.JenaSystem.forEach(JenaSystem.java:194)	at org.apache.jena.system.JenaSystem.forEach(JenaSystem.java:171)	at org.apache.jena.system.JenaSystem.init(JenaSystem.java:117)	at org.apache.jena.rdf.model.ModelFactory.(ModelFactory.java:49)	at com.mycompany.app.RdfWriter.main(RdfWriter.java:13)