db.begin(TXTYPE.OPTIMISTIC);1.delete from course table with rowid2.removing
course rowid from Student table
UPDATE Student REMOVE couses = #25:183
Student is a class which contains couses field of List type. There is
another table Cousre which is having course data.
db.commit();
The above code was executed on 20k records. if we try to access the Student
table from Web GUI, the following error was throwing on the orientdb server
console. the error referring #15.0 . Can anybody help on this ?
2017-03-15 04:52:43:713 INFO OrientDB Server v1.0.1 (build 11995) is
starting up... [OServer] 2017-03-15 04:52:43:924 INFO -> Loaded memory
database 'temp' [OServer] 2017-03-15 04:52:43:950 INFO Listening binary
connections on 0.0.0.0:2424 [OServerNetworkListener] 2017-03-15
04:52:43:951 INFO Listening cluster connections on 0.0.0.0:2434
[OServerNetworkListener] 2017-03-15 04:52:43:952 INFO Listening http
connections on 0.0.0.0:2480 [OServerNetworkListener] 2017-03-15
04:52:43:967 INFO OrientDB Server v1.0.1 is active.
[OServer]java.lang.NullPointerException at
com.orientechnologies.orient.core.fetch.OFetchHelper.fetchCollection(OFetchHelper.java:416)
at
com.orientechnologies.orient.core.fetch.OFetchHelper.fetch(OFetchHelper.java:338)
at
com.orientechnologies.orient.core.fetch.OFetchHelper.processRecord(OFetchHelper.java:303)
at
com.orientechnologies.orient.core.fetch.OFetchHelper.fetch(OFetchHelper.java:72)
at
com.orientechnologies.orient.core.serialization.serializer.record.string.ORecordSerializerJSON.toString(ORecordSerializerJSON.java:450)
at
com.orientechnologies.orient.core.serialization.serializer.record.string.ORecordSerializerStringAbstract.toString(ORecordSerializerStringAb
stract.java:58) at
com.orientechnologies.orient.core.record.ORecordAbstract.toJSON(ORecordAbstract.java:181)
at
com.orientechnologies.orient.server.network.protocol.http.command.OServerCommandAbstract.formatCollection(OServerCommandAbstract.java:196)
at
com.orientechnologies.orient.server.network.protocol.http.command.OServerCommandAbstract.sendRecordsContent(OServerCommandAbstract.java:181
) at
com.orientechnologies.orient.server.network.protocol.http.command.OServerCommandAbstract.sendRecordsContent(OServerCommandAbstract.java:168
) at
com.orientechnologies.orient.server.network.protocol.http.command.post.OServerCommandPostCommand.execute(OServerCommandPostCommand.java:63)
at
com.orientechnologies.orient.server.network.protocol.http.ONetworkProtocolHttpAbstract.service(ONetworkProtocolHttpAbstract.java:136)
at
com.orientechnologies.orient.server.network.protocol.http.ONetworkProtocolHttpAbstract.execute(ONetworkProtocolHttpAbstract.java:460)
at com.orientechnologies.common.thread.OSoftThread.run(OSoftThread.java:43)
Fetching error on record #15:0
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