RHEV-M logs show "Failed to decrypt Data must not be longer than 256 bytes" and "Failed to decrypt Data must start with zero" errors

Issue

• The following errors appeared in the RHEV engine.log. Is it possible to avoid these errors?

2013-01-25 09:44:42,960 ERROR [org.ovirt.engine.core.engineencryptutils.EncryptionUtils] (QuartzScheduler_Worker-49) Failed to decrypt Blocktype mismatch: 0
2013-01-25 09:46:05,315 ERROR [org.ovirt.engine.core.engineencryptutils.EncryptionUtils] (QuartzScheduler_Worker-82) Failed to decrypt Data must not be longer than 256 bytes
2013-01-25 09:46:13,560 ERROR [org.ovirt.engine.core.engineencryptutils.EncryptionUtils] (QuartzScheduler_Worker-89) Failed to decrypt Data must start with zero
[...]
2013-01-25 09:50:00,000 INFO  [org.ovirt.engine.core.bll.AutoRecoveryManager] (QuartzScheduler_Worker-81) [71c7b901] Checking autorecoverable hosts
2013-01-25 09:50:00,002 INFO  [org.ovirt.engine.core.bll.AutoRecoveryManager] (QuartzScheduler_Worker-81) [71c7b901] Autorecovering 0 hosts
2013-01-25 09:50:00,002 INFO  [org.ovirt.engine.core.bll.AutoRecoveryManager] (QuartzScheduler_Worker-81) [71c7b901] Checking autorecoverable hosts done
2013-01-25 09:50:00,002 INFO  [org.ovirt.engine.core.bll.AutoRecoveryManager] (QuartzScheduler_Worker-81) [71c7b901] Autorecovering storage domains is disabled, skipping

• Getting Error "Failed to decrypt doFinal() failed" in engine.log file:

2013-12-05 12:00:50,750 ERROR [org.ovirt.engine.core.engineencryptutils.EncryptionUtils] (QuartzScheduler_Worker-46) Failed to decrypt Data must start with zero
2013-12-05 12:00:50,750 DEBUG [org.ovirt.engine.core.engineencryptutils.EncryptionUtils] (QuartzScheduler_Worker-46) Failed to decrypt: javax.crypto.BadPaddingException: Data must start with zero
        at sun.security.rsa.RSAPadding.unpadV15(RSAPadding.java:325) [rt.jar:1.7.0_45]
        at sun.security.rsa.RSAPadding.unpad(RSAPadding.java:272) [rt.jar:1.7.0_45]
        at com.sun.crypto.provider.RSACipher.doFinal(RSACipher.java:356) [sunjce_provider.jar:1.7.0_45]
        at com.sun.crypto.provider.RSACipher.engineDoFinal(RSACipher.java:382) [sunjce_provider.jar:1.7.0_45]
        at javax.crypto.Cipher.doFinal(Cipher.java:1922) [jce.jar:1.7.0_45]
        at org.ovirt.engine.core.engineencryptutils.EncryptionUtils.decrypt(EncryptionUtils.java:116) [engine-encryptutils.jar:]
        at org.ovirt.engine.core.engineencryptutils.EncryptionUtils.decrypt(EncryptionUtils.java:102) [engine-encryptutils.jar:]
        at org.ovirt.engine.core.dal.dbbroker.DbFacadeUtils.decryptPassword(DbFacadeUtils.java:54) [engine-dal.jar:]
        at org.ovirt.engine.core.dao.VdsDAODbFacadeImpl$VdsRowMapper.mapRow(VdsDAODbFacadeImpl.java:295) [engine-dal.jar:]
        at org.ovirt.engine.core.dao.VdsDAODbFacadeImpl$VdsRowMapper.mapRow(VdsDAODbFacadeImpl.java:212) [engine-dal.jar:]
        at org.springframework.jdbc.core.RowMapperResultSetExtractor.extractData(RowMapperResultSetExtractor.java:92) [spring-jdbc-3.1.1.RELEASE.jar:3.1.1.RELEASE]
        at org.springframework.jdbc.core.RowMapperResultSetExtractor.extractData(RowMapperResultSetExtractor.java:1) [spring-jdbc-3.1.1.RELEASE.jar:3.1.1.RELEASE]
        at org.springframework.jdbc.core.JdbcTemplate$1.doInPreparedStatement(JdbcTemplate.java:649) [spring-jdbc-3.1.1.RELEASE.jar:3.1.1.RELEASE]
        at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:587) [spring-jdbc-3.1.1.RELEASE.jar:3.1.1.RELEASE]
        at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:637) [spring-jdbc-3.1.1.RELEASE.jar:3.1.1.RELEASE]
        at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:666) [spring-jdbc-3.1.1.RELEASE.jar:3.1.1.RELEASE]
        at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:706) [spring-jdbc-3.1.1.RELEASE.jar:3.1.1.RELEASE]
        at org.ovirt.engine.core.dal.dbbroker.PostgresDbEngineDialect$PostgresSimpleJdbcCall.executeCallInternal(PostgresDbEngineDialect.java:155) [engine-dal.jar:]
        at org.ovirt.engine.core.dal.dbbroker.PostgresDbEngineDialect$PostgresSimpleJdbcCall.doExecute(PostgresDbEngineDialect.java:121) [engine-dal.jar:]
        at org.springframework.jdbc.core.simple.SimpleJdbcCall.execute(SimpleJdbcCall.java:181) [spring-jdbc-3.1.1.RELEASE.jar:3.1.1.RELEASE]
        at org.ovirt.engine.core.dal.dbbroker.SimpleJdbcCallsHandler.executeImpl(SimpleJdbcCallsHandler.java:124) [engine-dal.jar:]
        at org.ovirt.engine.core.dal.dbbroker.SimpleJdbcCallsHandler.executeReadAndReturnMap(SimpleJdbcCallsHandler.java:75) [engine-dal.jar:]
        at org.ovirt.engine.core.dal.dbbroker.SimpleJdbcCallsHandler.executeReadList(SimpleJdbcCallsHandler.java:66) [engine-dal.jar:]
        at org.ovirt.engine.core.dal.dbbroker.SimpleJdbcCallsHandler.executeRead(SimpleJdbcCallsHandler.java:58) [engine-dal.jar:]
        at org.ovirt.engine.core.dao.VdsDAODbFacadeImpl.get(VdsDAODbFacadeImpl.java:37) [engine-dal.jar:]
        at org.ovirt.engine.core.dao.VdsDAODbFacadeImpl.get(VdsDAODbFacadeImpl.java:32) [engine-dal.jar:]
        at org.ovirt.engine.core.vdsbroker.VdsManager.OnTimer(VdsManager.java:218) [engine-vdsbroker.jar:]
        at sun.reflect.GeneratedMethodAccessor66.invoke(Unknown Source) [:1.7.0_45]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.7.0_45]
        at java.lang.reflect.Method.invoke(Method.java:606) [rt.jar:1.7.0_45]
        at org.ovirt.engine.core.utils.timer.JobWrapper.execute(JobWrapper.java:60) [engine-scheduler.jar:]
        at org.quartz.core.JobRunShell.run(JobRunShell.java:213) [quartz-2.1.2.jar:]
        at org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:557) [quartz-2.1.2.jar:]