Hello expert:
1. To use Oak in my project simply add a dependency to
org.apache.jackrabbit:oak-jcr:1.10.2 and to javax.jcr:jcr:2.0。
2. we construct a Repository instance,use mongodb like this:
MongoClient
mongoClient=getMongoClient(mongodbIP,mongodbPort,dbName,userName,password);
DocumentNodeStore documentNodeStore =
newMongoDocumentNodeStoreBuilder()
.setMongoDB(mongoClient, dbName, 0)
.setBlobStore(new FileBlobStore("D:\\amberdata
FileStore"))
.build();
Repository repository = new Jcr(new
Oak(documentNodeStore)).createRepository();
3.Every developer uses the oak of a local application to connect to the
same mongodb,
A few days later，We failed to unregister node type dw_unit_detail which we
registered,it takes a long time,and throw CommitFailedException:
OakMerge0004,like this:
javax.jcr.InvalidItemStateException: Failed to unregister node type
dw_unit_detail
at
org.apache.jackrabbit.oak.api.CommitFailedException.asRepositoryException(CommitFailedException.java:240)
at
org.apache.jackrabbit.oak.plugins.nodetype.write.ReadWriteNodeTypeManager.unregisterNodeType(ReadWriteNodeTypeManager.java:186)
at com.datamber.afc.domain.type.AfType.destroy(AfType.java:397)
at com.datamber.afc.domain.type.AfTypeTest.destroy(AfTypeTest.java:345)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at
org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.junit.runner.JUnitCore.run(JUnitCore.java:137)
at
com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)
at
com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47)
at
com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242)
at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70)
Caused by: org.apache.jackrabbit.oak.api.CommitFailedException:
OakMerge0004: OakMerge0004: Following exceptions occurred during the bulk
update operations:
[org.apache.jackrabbit.oak.plugins.document.ConflictException: The node
3:/jcr:system/jcr:nodeTypes/dw_customize_type was changed in revision
r16a0699ff58-0-3 (not yet visible), which was applied after the base
revision
r16a0b08f9b6-0-1,r16a067a0c76-0-2,r16a0699faf1-0-3,r16a072d9ee8-0-4,r16a069a45a1-0-5,r16a06874e87-0-6,r16a069be50a-0-7,r16a073313ba-0-8,r16a073e63ae-0-9,r16a0769307d-0-a,r16a0ae97b21-0-b,r16a0a0b1912-0-c,r16a0a0fa4e7-0-d,r16a0a4bbc67-0-e,r16a0a4438fc-0-f,r16a0ae19945-0-10,
before
r16a0b099334-0-1] (retries 5, 303136 ms)
at
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:218)
at
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge(DocumentNodeStoreBranch.java:127)
at
org.apache.jackrabbit.oak.plugins.document.DocumentRootBuilder.merge(DocumentRootBuilder.java:170)
at
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStore.merge(DocumentNodeStore.java:1848)
at org.apache.jackrabbit.oak.core.MutableRoot.commit(MutableRoot.java:250)
at org.apache.jackrabbit.oak.core.MutableRoot.commit(MutableRoot.java:261)
at
org.apache.jackrabbit.oak.plugins.nodetype.write.ReadWriteNodeTypeManager.unregisterNodeType(ReadWriteNodeTypeManager.java:182)
... 26 more
Caused by: org.apache.jackrabbit.oak.plugins.document.ConflictException:
Following exceptions occurred during the bulk update operations:
[org.apache.jackrabbit.oak.plugins.document.ConflictException: The node
3:/jcr:system/jcr:nodeTypes/dw_customize_type was changed in revision
r16a0699ff58-0-3 (not yet visible), which was applied after the base
revision
r16a0b08f9b6-0-1,r16a067a0c76-0-2,r16a0699faf1-0-3,r16a072d9ee8-0-4,r16a069a45a1-0-5,r16a06874e87-0-6,r16a069be50a-0-7,r16a073313ba-0-8,r16a073e63ae-0-9,r16a0769307d-0-a,r16a0ae97b21-0-b,r16a0a0b1912-0-c,r16a0a0fa4e7-0-d,r16a0a4bbc67-0-e,r16a0a4438fc-0-f,r16a0ae19945-0-10,
before
r16a0b099334-0-1]
at
org.apache.jackrabbit.oak.plugins.document.Commit.checkConflicts(Commit.java:632)
at
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:333)
at
org.apache.jackrabbit.oak.plugins.document.Commit.applyToDocumentStore(Commit.java:252)
at
org.apache.jackrabbit.oak.plugins.document.Commit.applyInternal(Commit.java:220)
at org.apache.jackrabbit.oak.plugins.document.Commit.apply(Commit.java:208)
at
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:310)
at
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.persist(DocumentNodeStoreBranch.java:275)
at
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.access$500(DocumentNodeStoreBranch.java:55)
at
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch$InMemory.merge(DocumentNodeStoreBranch.java:531)
at
org.apache.jackrabbit.oak.plugins.document.DocumentNodeStoreBranch.merge0(DocumentNodeStoreBranch.java:194)
... 32 more
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