Vaibhav Gumashta created HIVE-6750:
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Summary: Hive printing debug information in stdout after the end
of CLI session
Key: HIVE-6750
URL: https://issues.apache.org/jira/browse/HIVE-6750
Project: Hive
Issue Type: Bug
Components: CLI
Affects Versions: 0.14.0
Environment: Open JDK6
Reporter: Vaibhav Gumashta
Assignee: Vaibhav Gumashta
Fix For: 0.14.0
{noformat}
$ hive -e "show tables;"
OK
table1
table2
table3
Time taken: 0.694 seconds, Fetched: 3 row(s)
classLoader = java.net.URLClassLoader@29978933
SharedSecrets.getJavaNetAccess()=java.net.URLClassLoader$7@4b7d03c5
{noformat}
Observe the last two lines that are printed upon the end of Hive CLI session.
JavaUtils#closeClassLoader uses reflection to invoke
sun.misc.ClassLoaderUtil.releaseLoader. Just peeking at the implementation of
this method clearly showed this:
{code}
System.out.println ("classLoader = " + classLoader);
System.out.println
("SharedSecrets.getJavaNetAccess()="+SharedSecrets.getJavaNetAccess());
{code}
See line 80-81 at
http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/6-b14/sun/misc/ClassLoaderUtil.java.
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