Stefan Egli created OAK-1650:
--------------------------------
Summary: NPE and MicroKernelException: The node .. does not exist,
on replica primary crash during save
Key: OAK-1650
URL: https://issues.apache.org/jira/browse/OAK-1650
Project: Jackrabbit Oak
Issue Type: Bug
Components: core, mongomk
Affects Versions: 0.19
Environment: 0.20-SNAPSHOT as of March 31
Reporter: Stefan Egli
Fix For: 0.20
When crashing the replica-primary while saving a large transaction, the
following two exceptions occur. Had this twice in a row, thus 'sort of'
reproduceable. I'll attach the test case in a minute.
{code}Mar 31, 2014 11:49:04 AM com.mongodb.DBTCPConnector setMasterAddress
WARNING: Primary switching from localhost/127.0.0.1:12321 to
localhost/127.0.0.1:12322
Writer: Created level1 node:
Node[NodeDelegate{tree=/replicaCrashLargeTxTest-1396259321921/2: {
jcr:primaryType = nt:unstructured}}]
org.apache.jackrabbit.mk.api.MicroKernelException:
java.lang.NullPointerException
at
org.apache.jackrabbit.oak.plugins.document.mongo.MongoDocumentStore.findAndModify(MongoDocumentStore.java:483)
at
org.apache.jackrabbit.oak.plugins.document.mongo.MongoDocumentStore.createOrUpdate(MongoDocumentStore.java:495)
at
org.apache.jackrabbit.oak.plugins.document.Commit.createOrUpdateNode(Commit.java:449)
at
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:335)
at
org.apache.jackrabbit.oak.plugins.document.Commit.prepare(Commit.java:212)
at
org.apache.jackrabbit.oak.plugins.document.Commit.apply(Commit.java:181)
at
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:172)
at
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:85)
at
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:1)
at
org.apache.jackrabbit.oak.spi.state.AbstractNodeStoreBranch$Persisted.persistTransientHead(AbstractNodeStoreBranch.java:598)
at
org.apache.jackrabbit.oak.spi.state.AbstractNodeStoreBranch$Persisted.setRoot(AbstractNodeStoreBranch.java:547)
at
org.apache.jackrabbit.oak.spi.state.AbstractNodeStoreBranch.setRoot(AbstractNodeStoreBranch.java:208)
at
org.apache.jackrabbit.oak.plugins.document.DocumentRootBuilder.purge(DocumentRootBuilder.java:188)
at
org.apache.jackrabbit.oak.plugins.document.DocumentRootBuilder.updated(DocumentRootBuilder.java:99)
at
org.apache.jackrabbit.oak.plugins.memory.MemoryNodeBuilder.updated(MemoryNodeBuilder.java:205)
at
org.apache.jackrabbit.oak.plugins.memory.MemoryNodeBuilder.setProperty(MemoryNodeBuilder.java:489)
at
org.apache.jackrabbit.oak.core.SecureNodeBuilder.setProperty(SecureNodeBuilder.java:260)
at
org.apache.jackrabbit.oak.core.MutableTree.updateChildOrder(MutableTree.java:337)
at
org.apache.jackrabbit.oak.core.MutableTree.setOrderableChildren(MutableTree.java:220)
at org.apache.jackrabbit.oak.util.TreeUtil.addChild(TreeUtil.java:207)
at
org.apache.jackrabbit.oak.jcr.delegate.NodeDelegate.addChild(NodeDelegate.java:692)
at
org.apache.jackrabbit.oak.jcr.session.NodeImpl$5.perform(NodeImpl.java:286)
at
org.apache.jackrabbit.oak.jcr.session.NodeImpl$5.perform(NodeImpl.java:1)
at
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.perform(SessionDelegate.java:308)
at
org.apache.jackrabbit.oak.jcr.session.ItemImpl.perform(ItemImpl.java:113)
at
org.apache.jackrabbit.oak.jcr.session.NodeImpl.addNode(NodeImpl.java:253)
at
org.apache.jackrabbit.oak.jcr.session.NodeImpl.addNode(NodeImpl.java:238)
at
org.apache.jackrabbit.oak.run.ReplicaCrashResilienceLargeTxTest$1.run(ReplicaCrashResilienceLargeTxTest.java:115)
at java.lang.Thread.run(Thread.java:695)
Caused by: java.lang.NullPointerException
at
com.google.common.base.Preconditions.checkNotNull(Preconditions.java:192)
at
org.apache.jackrabbit.oak.plugins.document.util.StringValue.<init>(StringValue.java:35)
at
org.apache.jackrabbit.oak.plugins.document.mongo.MongoDocumentStore.addToCache(MongoDocumentStore.java:810)
at
org.apache.jackrabbit.oak.plugins.document.mongo.MongoDocumentStore.applyToCache(MongoDocumentStore.java:765)
at
org.apache.jackrabbit.oak.plugins.document.mongo.MongoDocumentStore.findAndModify(MongoDocumentStore.java:477)
... 28 more
{code}
and:
{code}Exception in thread "Thread-5"
org.apache.jackrabbit.mk.api.MicroKernelException: The node
1:/replicaCrashLargeTxTest-1396259321921 does not exist or is already deleted,
before
r145178ad3bd-0-1; document:
{_id=1:/replicaCrashLargeTxTest-1396259321921,
_modified=1396259345, :childOrder={},
_modCount=2,
_commitRoot={}},
revision order:
1:
r145178a7b35-0-1:r145178a7b1b-0-0 r145178a7b35-1-1:r145178a7b36-0-0
2:
r14517846da4-68-2:r145178a7b1b-1-0
at
org.apache.jackrabbit.oak.plugins.document.Commit.checkConflicts(Commit.java:532)
at
org.apache.jackrabbit.oak.plugins.document.Commit.createOrUpdateNode(Commit.java:450)
at
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:335)
at
org.apache.jackrabbit.oak.plugins.document.Commit.prepare(Commit.java:212)
at
org.apache.jackrabbit.oak.plugins.document.Commit.apply(Commit.java:181)
at
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:172)
at
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:85)
at
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:1)
at
org.apache.jackrabbit.oak.spi.state.AbstractNodeStoreBranch$Persisted.persistTransientHead(AbstractNodeStoreBranch.java:598)
at
org.apache.jackrabbit.oak.spi.state.AbstractNodeStoreBranch$Persisted.setRoot(AbstractNodeStoreBranch.java:547)
at
org.apache.jackrabbit.oak.spi.state.AbstractNodeStoreBranch.setRoot(AbstractNodeStoreBranch.java:208)
at
org.apache.jackrabbit.oak.plugins.document.DocumentRootBuilder.purge(DocumentRootBuilder.java:188)
at
org.apache.jackrabbit.oak.plugins.document.DocumentRootBuilder.updated(DocumentRootBuilder.java:99)
at
org.apache.jackrabbit.oak.plugins.memory.MemoryNodeBuilder.updated(MemoryNodeBuilder.java:205)
at
org.apache.jackrabbit.oak.plugins.memory.MemoryNodeBuilder.setChildNode(MemoryNodeBuilder.java:329)
at
org.apache.jackrabbit.oak.plugins.memory.MemoryNodeBuilder.setChildNode(MemoryNodeBuilder.java:321)
at
org.apache.jackrabbit.oak.core.SecureNodeBuilder.setChildNode(SecureNodeBuilder.java:317)
at
org.apache.jackrabbit.oak.core.MutableTree.addChild(MutableTree.java:199)
at org.apache.jackrabbit.oak.util.TreeUtil.addChild(TreeUtil.java:204)
at
org.apache.jackrabbit.oak.jcr.delegate.NodeDelegate.addChild(NodeDelegate.java:692)
at
org.apache.jackrabbit.oak.jcr.session.NodeImpl$5.perform(NodeImpl.java:286)
at
org.apache.jackrabbit.oak.jcr.session.NodeImpl$5.perform(NodeImpl.java:1)
at
org.apache.jackrabbit.oak.jcr.delegate.SessionDelegate.perform(SessionDelegate.java:308)
at
org.apache.jackrabbit.oak.jcr.session.ItemImpl.perform(ItemImpl.java:113)
at
org.apache.jackrabbit.oak.jcr.session.NodeImpl.addNode(NodeImpl.java:253)
at
org.apache.jackrabbit.oak.jcr.session.NodeImpl.addNode(NodeImpl.java:238)
at
org.apache.jackrabbit.oak.run.ReplicaCrashResilienceLargeTxTest$1.run(ReplicaCrashResilienceLargeTxTest.java:95)
at java.lang.Thread.run(Thread.java:695)
{code}
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