[DRILL-2482] JDBC : calling getObject when the actual column type is 'NVARCHAR' results in NoClassDefFoundError

• Type: Bug
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Fix Version/s: 1.2.0
• Component/s: Client - JDBC
• Assignee: Daniel Barclay
• Reporter: Rahul Kumar Challapalli
• Created: 17/Mar/15 19:43
• Updated: 16/Sep/15 03:55
• Resolved: 16/Sep/15 03:55

Description

git.commit.id.abbrev=7b4c887

I tried to call getObject on a column which is of type varchar, drill failed with the below error :

Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/hadoop/io/Text
	at org.apache.drill.exec.vector.VarCharVector$Accessor.getObject(VarCharVector.java:407)
	at org.apache.drill.exec.vector.NullableVarCharVector$Accessor.getObject(NullableVarCharVector.java:386)
	at org.apache.drill.exec.vector.accessor.NullableVarCharAccessor.getObject(NullableVarCharAccessor.java:98)
	at org.apache.drill.exec.vector.accessor.BoundCheckingAccessor.getObject(BoundCheckingAccessor.java:137)
	at org.apache.drill.jdbc.AvaticaDrillSqlAccessor.getObject(AvaticaDrillSqlAccessor.java:136)
	at net.hydromatic.avatica.AvaticaResultSet.getObject(AvaticaResultSet.java:351)
	at Dummy.testComplexQuery(Dummy.java:94)
	at Dummy.main(Dummy.java:30)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.io.Text
	at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
	... 8 more

When the underlying type is a primitive, the getObject call succeeds

Issue Links

• is superceded by: DRILL-3347 Resolve: ResultSet.getObject(...) for VARCHAR returns ...hadoop.io.Text, not String