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https://issues.apache.org/jira/browse/JENA-1658?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16747844#comment-16747844
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ASF subversion and git services commented on JENA-1658:
-------------------------------------------------------
Commit ca2a5cd0a5552c4f6bb9e34411560a850e08060a in jena's branch
refs/heads/master from Rob Vesse
[ https://gitbox.apache.org/repos/asf?p=jena.git;h=ca2a5cd0 ]
Merge pull request #522 from rvesse/JENA-1658
Improve error message trying to use TDB2 location with TDB (JENA-1658)
> tdb2.tdbstats leaves behind tdb.lock
> --------------------------------------
>
> Key: JENA-1658
> URL: https://issues.apache.org/jira/browse/JENA-1658
> Project: Apache Jena
> Issue Type: Bug
> Components: Cmd line tools, Fuseki, TDB2
> Affects Versions: Jena 3.8.0, Jena 3.9.0, Jena 3.10.0
> Environment: Mac OS X 10.14.2 2.8 GHz Intel Core i7 16 GB 1600 MHz
> DDR3
> Reporter: Amit Kumar
> Assignee: Andy Seaborne
> Priority: Minor
>
> Running tdb2.tdbstats on an existing TDB2 db leaves behind the *tdb.lock*
> file. Then if we try to start a fuseki-server using the same tdb directory it
> gives an error
>
> {code:java}
> org.apache.jena.assembler.exceptions.AssemblerException: caught: Unable to
> check TDB lock owner as the lock file contains invalid data
> doing:
> root: file:///my#tdb_dataset_readwrite with type:
> http://jena.hpl.hp.com/2008/tdb#DatasetTDB assembler class: class
> org.apache.jena.tdb.assembler.DatasetAssemblerTDB
> at
> org.apache.jena.assembler.assemblers.AssemblerGroup$PlainAssemblerGroup.openBySpecificType(AssemblerGroup.java:165)
> at
> org.apache.jena.assembler.assemblers.AssemblerGroup$PlainAssemblerGroup.open(AssemblerGroup.java:144)
> at
> org.apache.jena.assembler.assemblers.AssemblerGroup$ExpandingAssemblerGroup.open(AssemblerGroup.java:93)
> at
> org.apache.jena.assembler.assemblers.AssemblerBase.open(AssemblerBase.java:39)
> at
> org.apache.jena.assembler.assemblers.AssemblerBase.open(AssemblerBase.java:35)
> at org.apache.jena.fuseki.build.FusekiConfig.getDataset(FusekiConfig.java:345)
> at
> org.apache.jena.fuseki.build.FusekiConfig.buildDataService(FusekiConfig.java:299)
> ...
> ...
> Caused by: org.apache.jena.tdb.base.file.FileException: Unable to check TDB
> lock owner as the lock file contains invalid data
> at org.apache.jena.tdb.base.file.LocationLock.getOwner(LocationLock.java:111)
> at org.apache.jena.tdb.base.file.LocationLock.canObtain(LocationLock.java:130)
> at org.apache.jena.tdb.StoreConnection._makeAndCache(StoreConnection.java:267)
> at org.apache.jena.tdb.StoreConnection.make(StoreConnection.java:231)
> at org.apache.jena.tdb.StoreConnection.make(StoreConnection.java:245)
> at
> org.apache.jena.tdb.transaction.DatasetGraphTransaction.<init>(DatasetGraphTransaction.java:72)
> at org.apache.jena.tdb.sys.TDBMaker._create(TDBMaker.java:80)
> at
> org.apache.jena.tdb.sys.TDBMaker.createDatasetGraphTransaction(TDBMaker.java:44)
> at org.apache.jena.tdb.TDBFactory._createDatasetGraph(TDBFactory.java:89)
> at org.apache.jena.tdb.TDBFactory.createDatasetGraph(TDBFactory.java:71)
> at
> org.apache.jena.tdb.assembler.DatasetAssemblerTDB.make(DatasetAssemblerTDB.java:57)
> at
> org.apache.jena.tdb.assembler.DatasetAssemblerTDB.createDataset(DatasetAssemblerTDB.java:48)
> at
> org.apache.jena.sparql.core.assembler.DatasetAssembler.open(DatasetAssembler.java:43)
> at
> org.apache.jena.assembler.assemblers.AssemblerGroup$PlainAssemblerGroup.openBySpecificType(AssemblerGroup.java:157)
> ... 41 more
> Caused by: java.lang.NumberFormatException: For input string: "41080
> "
> at
> java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)
> at java.lang.Integer.parseInt(Integer.java:580)
> at java.lang.Integer.parseInt(Integer.java:615)
> at org.apache.jena.tdb.base.file.LocationLock.getOwner(LocationLock.java:106)
> ... 54 more{code}
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