[OOZIE-2145] ZooKeeper paths should start with a "/"

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: trunk
• Fix Version/s: 4.2.0
• Component/s: HA
• Assignee: Robert Kanter
• Reporter: Robert Kanter
• Created: 20/Feb/15 02:03
• Updated: 18/May/15 07:11
• Resolved: 20/Feb/15 18:06

Description

If you try to use a newer version of Curator (say 2.7.1) with Oozie, you'll run into some Exceptions like this:

org.apache.oozie.service.ServiceException: E1700: Issue communicating with ZooKeeper: Path must start with / character
        at org.apache.oozie.service.ZKUUIDService.init(ZKUUIDService.java:84)
        at org.apache.oozie.service.TestZKUUIDService.testRegisterUnregister(TestZKUUIDService.java:54)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at junit.framework.TestCase.runTest(TestCase.java:168)
        at junit.framework.TestCase.runBare(TestCase.java:134)
        at junit.framework.TestResult$1.protect(TestResult.java:110)
        at junit.framework.TestResult.runProtected(TestResult.java:128)
        at junit.framework.TestResult.run(TestResult.java:113)
        at junit.framework.TestCase.run(TestCase.java:124)
        at junit.framework.TestSuite.runTest(TestSuite.java:243)
        at junit.framework.TestSuite.run(TestSuite.java:238)
        at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:83)
        at org.junit.runners.Suite.runChild(Suite.java:128)
        at org.junit.runners.Suite.runChild(Suite.java:24)
        at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
        at java.util.concurrent.FutureTask.run(FutureTask.java:262)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.IllegalArgumentException: Path must start with / character
        at org.apache.curator.utils.PathUtils.validatePath(PathUtils.java:54)
        at org.apache.curator.framework.recipes.atomic.DistributedAtomicValue.<init>(DistributedAtomicValue.java:74)
        at org.apache.curator.framework.recipes.atomic.DistributedAtomicLong.<init>(DistributedAtomicLong.java:66)
        at org.apache.oozie.service.ZKUUIDService.init(ZKUUIDService.java:79)
        ... 22 more

There's a couple paths that we're not properly starting with a "/".