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 Grzegorz Wierzowiecki
, 11 months ago
This exception has no message.
java.lang.NullPointerException: 	at org.apache.jena.ext.com.google.common.base.Preconditions.checkNotNull(Preconditions.java:770)	at org.apache.jena.ext.com.google.common.cache.LocalCache.get(LocalCache.java:4153)	at org.apache.jena.ext.com.google.common.cache.LocalCache$LocalManualCache.get(LocalCache.java:5060)	at org.apache.jena.atlas.lib.cache.CacheGuava.getOrFill(CacheGuava.java:58)	at org.apache.jena.riot.system.IRIResolver$IRIResolverNormal.resolveSilentCache(IRIResolver.java:470)	at org.apache.jena.riot.system.IRIResolver$IRIResolverNormal.resolveSilent(IRIResolver.java:454)	at org.apache.jena.riot.system.IRIResolver.resolve(IRIResolver.java:328)	at org.apache.jena.riot.system.IRIResolver$IRIResolverSync.resolve(IRIResolver.java:489)	at org.apache.jena.riot.system.IRIResolver.resolveIRI(IRIResolver.java:254)	at org.apache.jena.riot.system.IRIResolver.resolveString(IRIResolver.java:233)	at org.apache.jena.riot.lang.ReaderRIOTCSV.parse(ReaderRIOTCSV.java:89)	at org.apache.jena.riot.lang.ReaderRIOTCSV.read(ReaderRIOTCSV.java:67)	at org.apache.jena.riot.RDFParser.read(RDFParser.java:293)	at org.apache.jena.riot.RDFParser.parseNotUri(RDFParser.java:283)	at org.apache.jena.riot.RDFParser.parse(RDFParser.java:233)	at riotcmd.CmdLangParse.parseRIOT(CmdLangParse.java:286)	at riotcmd.CmdLangParse.parseFile(CmdLangParse.java:216)	at riotcmd.CmdLangParse.exec$(CmdLangParse.java:161)	at riotcmd.CmdLangParse.exec(CmdLangParse.java:127)	at jena.cmd.CmdMain.mainMethod(CmdMain.java:93)	at jena.cmd.CmdMain.mainRun(CmdMain.java:58)	at jena.cmd.CmdMain.mainRun(CmdMain.java:45)	at riotcmd.riot.main(riot.java:34)