java.io.IOException: Stream Closed

        at java.io.RandomAccessFile.seek0(Native Method)

        at java.io.RandomAccessFile.seek(RandomAccessFile.java:557)

        at org.basex.io.random.TableDiskAccess.readBlock(TableDiskAccess.java:520)

        at org.basex.io.random.TableDiskAccess.readPage(TableDiskAccess.java:485)

        at org.basex.io.random.TableDiskAccess.cursor(TableDiskAccess.java:464)

        at org.basex.io.random.TableDiskAccess.read1(TableDiskAccess.java:148)

        at org.basex.data.Data.kind(Data.java:307)

        at org.basex.query.value.node.DBNode$4.next(DBNode.java:349)

        at org.basex.query.expr.path.IterStep$1.next(IterStep.java:38)

        at org.basex.query.expr.path.IterStep$1.next(IterStep.java:32)

        at org.basex.query.expr.path.IterPath$1.next(IterPath.java:58)

        at org.basex.query.expr.path.IterPath$1.next(IterPath.java:36)

        at org.basex.query.expr.gflwor.For$1.next(For.java:79)

        at org.basex.query.expr.gflwor.GFLWOR$1.next(GFLWOR.java:95)

        at org.basex.query.MainModule$1.next(MainModule.java:114)

        at org.basex.server.ServerQuery.execute(ServerQuery.java:130)

        at org.basex.api.client.LocalQuery.cache(LocalQuery.java:48)

        at org.basex.api.client.Query.more(Query.java:76)

        DBResult dbResult = null;

        LocalQuery results = null;

        try {

            xPath = xPath.indexOf("/") == -1 ? "/" + xPath : xPath;

            String myQuery = "for $doc in (" + getContentCollectionQuery(PPSCONTENT_DATABASE_NAME) + " ) " + xPath + createNameCondition(name, PPSCONTENT_DATABASE_NAME) + createDateCondition(version) + " " +

            " return (data($doc/topic/@id))";

            dbResult = runQuery(myQuery);

            results = dbResult.getXmlResults();

            String topic = null;

            if (results.more()) {

                topic = results.next();

            }

            return topic;

        } catch (QueryException e) {

            PPLogger.getInstance().error("Error in getTopicForDocWithName: " + e.getMessage());

            return null;

        } catch (IOException e) {

            PPLogger.getInstance().error("Error in getTopicForDocWithName: " + e.getMessage());

            return null;

        }

        finally {

            if (results != null) results.close();

            if (dbResult != null) dbResult.close();

        }