Hi Marmotta Users,

    Short of dumping the database I’m not able to delete data from the graph. 
Security.Configured = false, Security.Enabled = false, the persistence is 
handled by mySQL, I have the data I wish to delete in a separate context and 
yet still no way to remove.

  - Choosing ‘delete’ in the context manager does prompt for confirmation but 
after nothing appears to happen.
  - $ curl -X DELETE -D -v 
"http://127.0.0.1:8080/marmotta/context?graph=http://server.com:8080/marmotta/context/people”
   where server.com is the real name of the system as shown in the context 
manager.
  - Using squebi 'DROP GRAPH 
<http://lims.vrtx.com:8080/marmotta/context/people>’ doesn’t return an error or 
any indication it’s working.

The marmotta-main.log reports,

14:39:42.445 ERROR o.a.m.k.persistence.KiWiConnection - COMMIT: temporary 
conflict could not be solved! (error: No operations allowed after connection 
closed.)
14:39:42.452 ERROR o.a.m.p.c.s.t.ContextServiceImpl - error accessing RDF 
repository
org.openrdf.repository.RepositoryException: org.openrdf.sail.SailException: 
database error while committing transaction
        at 
org.openrdf.repository.sail.SailRepositoryConnection.commit(SailRepositoryConnection.java:109)
 ~[SailRepositoryConnection.class:na]
        at 
org.openrdf.repository.base.RepositoryConnectionWrapper.commit(RepositoryConnectionWrapper.java:282)
 ~[RepositoryConnectionWrapper.class:na]
        at 
org.apache.marmotta.platform.core.services.triplestore.ContextServiceImpl.removeContext(ContextServiceImpl.java:387)
 ~[ContextServiceImpl.class:3.3.0-SNAPSHOT]
        at 
org.apache.marmotta.platform.core.services.triplestore.ContextServiceImpl$Proxy$_$$_WeldClientProxy.removeContext(Unknown
 Source) [ContextServiceImpl.class:3.3.0-SNAPSHOT]
        at 
org.apache.marmotta.platform.core.webservices.triplestore.ContextWebService.delete(ContextWebService.java:156)
 [ContextWebService.class:3.3.0-SNAPSHOT]
        at 
org.apache.marmotta.platform.core.webservices.triplestore.ContextWebService.deleteContext(ContextWebService.java:173)
 [ContextWebService.class:3.3.0-SNAPSHOT]
        at 
org.apache.marmotta.platform.core.webservices.triplestore.ContextWebService$Proxy$_$$_WeldClientProxy.deleteContext(Unknown
 Source) [ContextWebService.class:3.3.0-SNAPSHOT]
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
~[na:1.8.0_11]
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
~[na:1.8.0_11]
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 ~[na:1.8.0_11]
        at java.lang.reflect.Method.invoke(Method.java:483) ~[na:1.8.0_11]
        at 
org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:137) 
[MethodInjectorImpl.class:na]
        at 
org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTarget(ResourceMethodInvoker.java:296)
 [ResourceMethodInvoker.class:na]
        at 
org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:250)
 [ResourceMethodInvoker.class:na]
        at 
org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:237)
 [ResourceMethodInvoker.class:na]
        at 
org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:356)
 [SynchronousDispatcher.class:na]
        at 
org.jboss.resteasy.core.SynchronousDispatcher.invokePropagateNotFound(SynchronousDispatcher.java:217)
 [SynchronousDispatcher.class:na]
        at 
org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:224)
 [ServletContainerDispatcher.class:na]
        at 
org.jboss.resteasy.plugins.server.servlet.FilterDispatcher.doFilter(FilterDispatcher.java:62)
 [FilterDispatcher.class:na]
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
 [catalina.jar:8.0.9]
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 [catalina.jar:8.0.9]
        at 
org.apache.marmotta.platform.core.servlet.MarmottaResourceFilter$LMFFilterChain.doFilter(MarmottaResourceFilter.java:186)
 [MarmottaResourceFilter$LMFFilterChain.class:3.3.0-SNAPSHOT]
        at 
org.apache.marmotta.platform.core.filters.ModuleResourceFilter.doFilter(ModuleResourceFilter.java:163)
 [ModuleResourceFilter.class:3.3.0-SNAPSHOT]
        at 
org.apache.marmotta.platform.core.filters.ModuleResourceFilter$Proxy$_$$_WeldClientProxy.doFilter(Unknown
 Source) [ModuleResourceFilter.class:3.3.0-SNAPSHOT]
        at 
org.apache.marmotta.platform.core.servlet.MarmottaResourceFilter$LMFFilterChain.doFilter(MarmottaResourceFilter.java:181)
 [MarmottaResourceFilter$LMFFilterChain.class:3.3.0-SNAPSHOT]
        at 
org.apache.marmotta.platform.core.filters.MarmottaServerNameFilter.doFilter(MarmottaServerNameFilter.java:104)
 [MarmottaServerNameFilter.class:3.3.0-SNAPSHOT]
        at 
org.apache.marmotta.platform.core.servlet.MarmottaResourceFilter$LMFFilterChain.doFilter(MarmottaResourceFilter.java:181)
 [MarmottaResourceFilter$LMFFilterChain.class:3.3.0-SNAPSHOT]
        at 
org.apache.marmotta.platform.core.filters.TemplatingFilter.doFilter(TemplatingFilter.java:176)
 [TemplatingFilter.class:3.3.0-SNAPSHOT]
        at 
org.apache.marmotta.platform.core.filters.TemplatingFilter$Proxy$_$$_WeldClientProxy.doFilter(Unknown
 Source) [TemplatingFilter.class:3.3.0-SNAPSHOT]
        at 
org.apache.marmotta.platform.core.servlet.MarmottaResourceFilter$LMFFilterChain.doFilter(MarmottaResourceFilter.java:181)
 [MarmottaResourceFilter$LMFFilterChain.class:3.3.0-SNAPSHOT]
        at 
org.apache.marmotta.platform.core.servlet.MarmottaResourceFilter$LMFFilterChain.doFilter(MarmottaResourceFilter.java:183)
 [MarmottaResourceFilter$LMFFilterChain.class:3.3.0-SNAPSHOT]
        at 
org.apache.marmotta.platform.security.filters.MarmottaAccessControlFilter.doFilter(MarmottaAccessControlFilter.java:148)
 [MarmottaAccessControlFilter.class:3.3.0-SNAPSHOT]
        at 
org.apache.marmotta.platform.security.filters.MarmottaAccessControlFilter$Proxy$_$$_WeldClientProxy.doFilter(Unknown
 Source) [MarmottaAccessControlFilter.class:3.3.0-SNAPSHOT]
        at 
org.apache.marmotta.platform.core.servlet.MarmottaResourceFilter$LMFFilterChain.doFilter(MarmottaResourceFilter.java:181)
 [MarmottaResourceFilter$LMFFilterChain.class:3.3.0-SNAPSHOT]
        at 
org.apache.marmotta.platform.user.filters.MarmottaAuthenticationFilter.doFilter(MarmottaAuthenticationFilter.java:176)
 [MarmottaAuthenticationFilter.class:3.3.0-SNAPSHOT]
        at 
org.apache.marmotta.platform.user.filters.MarmottaAuthenticationFilter$Proxy$_$$_WeldClientProxy.doFilter(Unknown
 Source) [MarmottaAuthenticationFilter.class:3.3.0-SNAPSHOT]
        at 
org.apache.marmotta.platform.core.servlet.MarmottaResourceFilter$LMFFilterChain.doFilter(MarmottaResourceFilter.java:181)
 [MarmottaResourceFilter$LMFFilterChain.class:3.3.0-SNAPSHOT]
        at 
org.apache.marmotta.platform.core.servlet.MarmottaResourceFilter.doFilter(MarmottaResourceFilter.java:132)
 [MarmottaResourceFilter.class:3.3.0-SNAPSHOT]
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
 [catalina.jar:8.0.9]
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 [catalina.jar:8.0.9]
        at 
org.apache.marmotta.platform.core.servlet.MarmottaPreStartupFilter.doFilter(MarmottaPreStartupFilter.java:106)
 [MarmottaPreStartupFilter.class:3.3.0-SNAPSHOT]
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
 [catalina.jar:8.0.9]
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 [catalina.jar:8.0.9]
        at 
com.thetransactioncompany.cors.CORSFilter.doFilter(CORSFilter.java:169) 
[CORSFilter.class:1.9]
        at 
com.thetransactioncompany.cors.CORSFilter.doFilter(CORSFilter.java:232) 
[CORSFilter.class:1.9]
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
 [catalina.jar:8.0.9]
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 [catalina.jar:8.0.9]
        at 
org.apache.marmotta.platform.core.servlet.MarmottaOptionsFilter.doFilter(MarmottaOptionsFilter.java:83)
 [MarmottaOptionsFilter.class:3.3.0-SNAPSHOT]
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
 [catalina.jar:8.0.9]
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
 [catalina.jar:8.0.9]
        at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)
 [catalina.jar:8.0.9]
        at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
 [catalina.jar:8.0.9]
        at 
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:503)
 [catalina.jar:8.0.9]
        at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:136) 
[catalina.jar:8.0.9]
        at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) 
[catalina.jar:8.0.9]
        at 
org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:610)
 [catalina.jar:8.0.9]
        at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
 [catalina.jar:8.0.9]
        at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:526) 
[catalina.jar:8.0.9]
        at 
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1078)
 [tomcat-coyote.jar:8.0.9]
        at 
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:655)
 [tomcat-coyote.jar:8.0.9]
        at 
org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:222)
 [tomcat-coyote.jar:8.0.9]
        at 
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1566)
 [tomcat-coyote.jar:8.0.9]
        at 
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1523)
 [tomcat-coyote.jar:8.0.9]
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) 
[na:1.8.0_11]
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
[na:1.8.0_11]
        at 
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
 [tomcat-util.jar:8.0.9]
        at java.lang.Thread.run(Thread.java:745) [na:1.8.0_11]
Caused by: org.openrdf.sail.SailException: database error while committing 
transaction
        at 
org.apache.marmotta.kiwi.sail.KiWiSailConnection.commitInternal(KiWiSailConnection.java:355)
 ~[KiWiSailConnection.class:3.3.0-SNAPSHOT]
        at 
org.openrdf.sail.helpers.SailConnectionBase.commit(SailConnectionBase.java:424) 
~[SailConnectionBase.class:na]
        at 
org.openrdf.sail.helpers.SailConnectionWrapper.commit(SailConnectionWrapper.java:126)
 ~[SailConnectionWrapper.class:na]
        at 
org.openrdf.sail.helpers.SailConnectionWrapper.commit(SailConnectionWrapper.java:126)
 ~[SailConnectionWrapper.class:na]
        at 
org.apache.marmotta.commons.sesame.transactions.sail.KiWiTransactionalConnection.commit(KiWiTransactionalConnection.java:135)
 ~[KiWiTransactionalConnection.class:3.3.0-SNAPSHOT]
        at 
org.openrdf.sail.helpers.SailConnectionWrapper.commit(SailConnectionWrapper.java:126)
 ~[SailConnectionWrapper.class:na]
        at 
org.openrdf.repository.sail.SailRepositoryConnection.commit(SailRepositoryConnection.java:106)
 ~[SailRepositoryConnection.class:na]
        ... 66 common frames omitted
Caused by: 
com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: No 
operations allowed after connection closed.
        at sun.reflect.GeneratedConstructorAccessor59.newInstance(Unknown 
Source) ~[na:na]
        at 
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
 ~[na:1.8.0_11]
        at java.lang.reflect.Constructor.newInstance(Constructor.java:408) 
~[na:1.8.0_11]
        at com.mysql.jdbc.Util.handleNewInstance(Util.java:408) ~[Util.class:na]
        at com.mysql.jdbc.Util.getInstance(Util.java:383) ~[Util.class:na]
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1023) 
~[SQLError.class:na]
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:997) 
~[SQLError.class:na]
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:983) 
~[SQLError.class:na]
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:928) 
~[SQLError.class:na]
        at 
com.mysql.jdbc.ConnectionImpl.throwConnectionClosedException(ConnectionImpl.java:1323)
 ~[ConnectionImpl.class:na]
        at com.mysql.jdbc.ConnectionImpl.checkClosed(ConnectionImpl.java:1315) 
~[ConnectionImpl.class:na]
        at com.mysql.jdbc.ConnectionImpl.commit(ConnectionImpl.java:1721) 
~[ConnectionImpl.class:na]
        at sun.reflect.GeneratedMethodAccessor28.invoke(Unknown Source) ~[na:na]
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 ~[na:1.8.0_11]
        at java.lang.reflect.Method.invoke(Method.java:483) ~[na:1.8.0_11]
        at 
org.apache.tomcat.jdbc.pool.ProxyConnection.invoke(ProxyConnection.java:126) 
~[ProxyConnection.class:na]
        at 
org.apache.tomcat.jdbc.pool.JdbcInterceptor.invoke(JdbcInterceptor.java:109) 
~[JdbcInterceptor.class:na]
        at 
org.apache.tomcat.jdbc.pool.interceptor.AbstractCreateStatementInterceptor.invoke(AbstractCreateStatementInterceptor.java:71)
 ~[AbstractCreateStatementInterceptor.class:na]
        at 
org.apache.tomcat.jdbc.pool.JdbcInterceptor.invoke(JdbcInterceptor.java:109) 
~[JdbcInterceptor.class:na]
        at 
org.apache.tomcat.jdbc.pool.interceptor.ConnectionState.invoke(ConnectionState.java:153)
 ~[ConnectionState.class:na]
        at 
org.apache.tomcat.jdbc.pool.JdbcInterceptor.invoke(JdbcInterceptor.java:109) 
~[JdbcInterceptor.class:na]
        at 
org.apache.tomcat.jdbc.pool.TrapException.invoke(TrapException.java:41) 
~[TrapException.class:na]
        at 
org.apache.tomcat.jdbc.pool.JdbcInterceptor.invoke(JdbcInterceptor.java:109) 
~[JdbcInterceptor.class:na]
        at 
org.apache.tomcat.jdbc.pool.DisposableConnectionFacade.invoke(DisposableConnectionFacade.java:80)
 ~[DisposableConnectionFacade.class:na]
        at com.sun.proxy.$Proxy81.commit(Unknown Source) ~[na:na]
        at 
org.apache.marmotta.kiwi.persistence.KiWiConnection$13.run(KiWiConnection.java:2261)
 ~[KiWiConnection$13.class:3.3.0-SNAPSHOT]
        at 
org.apache.marmotta.kiwi.persistence.KiWiConnection$13.run(KiWiConnection.java:2250)
 ~[KiWiConnection$13.class:3.3.0-SNAPSHOT]
        at 
org.apache.marmotta.kiwi.persistence.KiWiConnection$RetryExecution.execute(KiWiConnection.java:2502)
 ~[KiWiConnection$RetryExecution.class:3.3.0-SNAPSHOT]
        at 
org.apache.marmotta.kiwi.persistence.KiWiConnection$RetryExecution.execute(KiWiConnection.java:2521)
 ~[KiWiConnection$RetryExecution.class:3.3.0-SNAPSHOT]
        at 
org.apache.marmotta.kiwi.persistence.KiWiConnection$RetryExecution.execute(KiWiConnection.java:2521)
 ~[KiWiConnection$RetryExecution.class:3.3.0-SNAPSHOT]
        at 
org.apache.marmotta.kiwi.persistence.KiWiConnection$RetryExecution.execute(KiWiConnection.java:2521)
 ~[KiWiConnection$RetryExecution.class:3.3.0-SNAPSHOT]
        at 
org.apache.marmotta.kiwi.persistence.KiWiConnection$RetryExecution.execute(KiWiConnection.java:2521)
 ~[KiWiConnection$RetryExecution.class:3.3.0-SNAPSHOT]
        at 
org.apache.marmotta.kiwi.persistence.KiWiConnection$RetryExecution.execute(KiWiConnection.java:2521)
 ~[KiWiConnection$RetryExecution.class:3.3.0-SNAPSHOT]
        at 
org.apache.marmotta.kiwi.persistence.KiWiConnection$RetryExecution.execute(KiWiConnection.java:2521)
 ~[KiWiConnection$RetryExecution.class:3.3.0-SNAPSHOT]
        at 
org.apache.marmotta.kiwi.persistence.KiWiConnection$RetryExecution.execute(KiWiConnection.java:2521)
 ~[KiWiConnection$RetryExecution.class:3.3.0-SNAPSHOT]
        at 
org.apache.marmotta.kiwi.persistence.KiWiConnection$RetryExecution.execute(KiWiConnection.java:2521)
 ~[KiWiConnection$RetryExecution.class:3.3.0-SNAPSHOT]
        at 
org.apache.marmotta.kiwi.persistence.KiWiConnection$RetryExecution.execute(KiWiConnection.java:2521)
 ~[KiWiConnection$RetryExecution.class:3.3.0-SNAPSHOT]
        at 
org.apache.marmotta.kiwi.persistence.KiWiConnection$RetryExecution.execute(KiWiConnection.java:2521)
 ~[KiWiConnection$RetryExecution.class:3.3.0-SNAPSHOT]
        at 
org.apache.marmotta.kiwi.persistence.KiWiConnection.commit(KiWiConnection.java:2250)
 ~[KiWiConnection.class:3.3.0-SNAPSHOT]
        at 
org.apache.marmotta.kiwi.sail.KiWiSailConnection.commitInternal(KiWiSailConnection.java:353)
 ~[KiWiSailConnection.class:3.3.0-SNAPSHOT]
        ... 72 common frames omitted
Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: 
Communications link failure

The last packet successfully received from the server was 6,481,723 
milliseconds ago.  The last packet sent successfully to the server was 0 
milliseconds ago.
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native 
Method) ~[na:1.8.0_11]
        at 
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
 ~[na:1.8.0_11]
        at 
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
 ~[na:1.8.0_11]
        at java.lang.reflect.Constructor.newInstance(Constructor.java:408) 
~[na:1.8.0_11]
        at com.mysql.jdbc.Util.handleNewInstance(Util.java:408) ~[Util.class:na]
        at 
com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1137) 
~[SQLError.class:na]
        at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3715) 
~[MysqlIO.class:na]
        at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3604) 
~[MysqlIO.class:na]
        at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:4149) 
~[MysqlIO.class:na]
        at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2615) 
~[MysqlIO.class:na]
        at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2776) 
~[MysqlIO.class:na]
        at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2840) 
~[ConnectionImpl.class:na]
        at 
com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2082) 
~[PreparedStatement.class:na]
        at 
com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2334) 
~[PreparedStatement.class:na]
        at 
com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2262) 
~[PreparedStatement.class:na]
        at 
com.mysql.jdbc.PreparedStatement.executeUpdate(PreparedStatement.java:2246) 
~[PreparedStatement.class:na]
        at 
org.apache.marmotta.kiwi.persistence.KiWiConnection$2.run(KiWiConnection.java:1255)
 ~[KiWiConnection$2.class:3.3.0-SNAPSHOT]
        at 
org.apache.marmotta.kiwi.persistence.KiWiConnection$2.run(KiWiConnection.java:1233)
 ~[KiWiConnection$2.class:3.3.0-SNAPSHOT]
        at 
org.apache.marmotta.kiwi.persistence.KiWiConnection$RetryExecution.execute(KiWiConnection.java:2502)
 ~[KiWiConnection$RetryExecution.class:3.3.0-SNAPSHOT]
        at 
org.apache.marmotta.kiwi.persistence.KiWiConnection.deleteTriple(KiWiConnection.java:1233)
 ~[KiWiConnection.class:3.3.0-SNAPSHOT]
        at 
org.apache.marmotta.kiwi.sail.KiWiSailConnection.removeStatementsInternal(KiWiSailConnection.java:395)
 ~[KiWiSailConnection.class:3.3.0-SNAPSHOT]
        at 
org.openrdf.sail.helpers.SailConnectionBase.removeStatements(SailConnectionBase.java:495)
 ~[SailConnectionBase.class:na]
        at 
org.openrdf.sail.helpers.SailConnectionWrapper.removeStatements(SailConnectionWrapper.java:144)
 ~[SailConnectionWrapper.class:na]
        at 
org.openrdf.sail.helpers.SailConnectionWrapper.removeStatements(SailConnectionWrapper.java:144)
 ~[SailConnectionWrapper.class:na]
        at 
org.openrdf.sail.helpers.SailConnectionWrapper.removeStatements(SailConnectionWrapper.java:144)
 ~[SailConnectionWrapper.class:na]
        at 
org.openrdf.repository.sail.SailRepositoryConnection.removeWithoutCommit(SailRepositoryConnection.java:296)
 ~[SailRepositoryConnection.class:na]
        at 
org.openrdf.repository.base.RepositoryConnectionBase.remove(RepositoryConnectionBase.java:543)
 ~[RepositoryConnectionBase.class:na]
        at 
org.openrdf.repository.base.RepositoryConnectionWrapper.remove(RepositoryConnectionWrapper.java:437)
 ~[RepositoryConnectionWrapper.class:na]
        at 
org.apache.marmotta.platform.core.services.triplestore.ContextServiceImpl.removeContext(ContextServiceImpl.java:384)
 ~[ContextServiceImpl.class:3.3.0-SNAPSHOT]
        ... 64 common frames omitted
Caused by: java.io.EOFException: Can not read response from server. Expected to 
read 4 bytes, read 0 bytes before connection was unexpectedly lost.
        at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:3161) 
~[MysqlIO.class:na]
        at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3615) 
~[MysqlIO.class:na]
        ... 86 common frames omitted
15:40:02.522 WARN  o.a.m.k.persistence.KiWiConnection - DELETE: temporary 
conflict, retrying in 987 ms ... (thread=http-nio-8080-exec-9, retry=9)
16:05:51.288 WARN  o.a.m.k.persistence.KiWiConnection - DELETE: temporary 
conflict, retrying in 866 ms ... (thread=http-nio-8080-exec-2, retry=0)


All other functions seem to work OK including using squebi to show some data 
right after trying to delete. Any suggestions? :|


-J

Joshua Dunham
Scientific Computing | Vertex
E: joshua_dun...@vrtx.com
P: 617-229-5157
W: http://www.vrtx.com
L: http://linkedin.com/in/joshuadunham
S: joshua.dunham

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