This is the error that keep showing during scan:
[ZAP-ActiveScanner-1] FATAL hsqldb.db.HSQLDB379AF3DEBD.ENGINE - data file reached maximum size /var/lib/jenkins/.ZAP/session/untitled1.data
[java] 106425634 [ZAP-ActiveScanner-1] ERROR org.zaproxy.zap.extension.ascan.ActiveScan - java.sql.SQLException: Data File size limit is reached
[java] org.parosproxy.paros.db.DatabaseException: java.sql.SQLException: Data File size limit is reached
[java] at org.parosproxy.paros.db.paros.ParosTableHistory.write(Unknown Source)
[java] at org.parosproxy.paros.model.HistoryReference.(Unknown Source)
[java] at org.zaproxy.zap.extension.ascan.ActiveScan.notifyNewMessage(Unknown Source)
[java] at org.parosproxy.paros.core.scanner.HostProcess.notifyNewMessage(Unknown Source)
[java] at org.parosproxy.paros.core.scanner.AbstractPlugin.sendAndReceive(Unknown Source)
[java] at org.parosproxy.paros.core.scanner.AbstractPlugin.sendAndReceive(Unknown Source)
[java] at org.parosproxy.paros.core.scanner.AbstractPlugin.sendAndReceive(Unknown Source)
[java] at org.zaproxy.zap.extension.ascanrules.TestCrossSiteScriptV2.performAttack(TestCrossSiteScriptV2.java:105)
[java] at org.zaproxy.zap.extension.ascanrules.TestCrossSiteScriptV2.scan(TestCrossSiteScriptV2.java:220)
[java] at org.parosproxy.paros.core.scanner.AbstractAppParamPlugin.scan(Unknown Source)
[java] at org.parosproxy.paros.core.scanner.AbstractAppParamPlugin.scanVariant(Unknown Source)
[java] at org.parosproxy.paros.core.scanner.AbstractAppParamPlugin.scan(Unknown Source)
[java] at org.parosproxy.paros.core.scanner.AbstractPlugin.run(Unknown Source)
[java] at java.lang.Thread.run(Thread.java:745)
[java] Caused by: java.sql.SQLException: Data File size limit is reached
[java] at org.hsqldb.jdbc.Util.sqlException(Unknown Source)
[java] at org.hsqldb.jdbc.Util.sqlException(Unknown Source)
[java] at org.hsqldb.jdbc.JDBCPreparedStatement.fetchResult(Unknown Source)
[java] at org.hsqldb.jdbc.JDBCPreparedStatement.executeUpdate(Unknown Source)
[java] at org.parosproxy.paros.db.paros.ParosTableHistory.write(Unknown Source)
This is a ZAP error, please raise it on ZAP project mailing list or issue tracker.