[KYLIN-3087] Fix the DistributedLock release bug in GlobalDictionaryBuilder

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: v2.2.0
• Fix Version/s: v2.3.0
• Component/s: Job Engine
• Assignee: Fangyuan Deng
• Reporter: Fangyuan Deng
• Created: 06/Dec/17 11:15
• Updated: 02/Apr/18 13:41
• Resolved: 15/Dec/17 07:31

Description

In GlobalDictionaryBuilder.init(),

this.builder = new AppendTrieDictionaryBuilder(baseDir, maxEntriesPerSlice, true);

if this line has exception, the DistributedLock will not release, and other jobs can not run.
so,I added a try catch.

try

{ this.builder = new AppendTrieDictionaryBuilder(baseDir, maxEntriesPerSlice, true); }

catch (Throwable e)

{ lock.unlock(getLockPath(sourceColumn)); throw new RuntimeException(String.format("Failed to create global dictionary on %s ", sourceColumn), e); }