Hi,   After successful upgrading I tried to start cloudera-scm-server service but failed. There was a bunch of errors in cloudera-scm-server.log ERROR [MainThread:cmf.Main@202] Server failed. javax.persistence.PersistenceException: org.hibernate.PropertyAccessException: Exception occurred inside setter of com.cloudera.cmf.model.DbCommand.arguments at org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1387) at org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1310) at org.hibernate.ejb.QueryImpl.getResultList(QueryImpl.java:273) at com.cloudera.cmf.persist.CmfEntityManager.findCommands(CmfEntityManager.java:1499) at com.cloudera.server.cmf.Main.rangeFindDeprecatedCommands(Main.java:786) at com.cloudera.server.cmf.Main.deleteDeprecatedCommands(Main.java:717) at com.cloudera.server.cmf.Main.<init>(Main.java:275) at com.cloudera.server.cmf.Main.main(Main.java:197) Caused by: org.hibernate.PropertyAccessException: Exception occurred inside setter of com.cloudera.cmf.model.DbCommand.arguments at org.hibernate.property.BasicPropertyAccessor$BasicSetter.set(BasicPropertyAccessor.java:88) at org.hibernate.tuple.entity.AbstractEntityTuplizer.setPropertyValues(AbstractEntityTuplizer.java:710) at org.hibernate.tuple.entity.PojoEntityTuplizer.setPropertyValues(PojoEntityTuplizer.java:371) at org.hibernate.persister.entity.AbstractEntityPersister.setPropertyValues(AbstractEntityPersister.java:4509) at org.hibernate.engine.internal.TwoPhaseLoad.doInitializeEntity(TwoPhaseLoad.java:186) at org.hibernate.engine.internal.TwoPhaseLoad.initializeEntity(TwoPhaseLoad.java:137) at org.hibernate.loader.Loader.initializeEntitiesAndCollections(Loader.java:1107) at org.hibernate.loader.Loader.processResultSet(Loader.java:963) at org.hibernate.loader.Loader.doQuery(Loader.java:910) at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:341) at org.hibernate.loader.Loader.doList(Loader.java:2522) at org.hibernate.loader.Loader.doList(Loader.java:2508) at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2338) at org.hibernate.loader.Loader.list(Loader.java:2333) at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:490) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:355) at org.hibernate.engine.query.spi.HQLQueryPlan.performList(HQLQueryPlan.java:195) at org.hibernate.internal.SessionImpl.list(SessionImpl.java:1269) at org.hibernate.internal.QueryImpl.list(QueryImpl.java:101) at org.hibernate.ejb.QueryImpl.getResultList(QueryImpl.java:264) ... 5 more Caused by: java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.hibernate.property.BasicPropertyAccessor$BasicSetter.set(BasicPropertyAccessor.java:65) ... 24 more Caused by: java.lang.IllegalArgumentException: Serialized command arguments string empty for command 'AmonTestDatabaseConnection' with id '4'. at com.google.common.base.Preconditions.checkArgument(Preconditions.java:119) at com.cloudera.cmf.model.DbCommand.setArguments(DbCommand.java:451) ... 29 more 2014-07-22 06:59:40,214 ERROR [ParcelUpdateService:components.ParcelDownloaderImpl@391] Unable to retrieve remote parcel repository manifest java.util.concurrent.ExecutionException: java.net.ConnectException: Connection refused to http://myhost:18900/manifest.json at com.ning.http.client.providers.netty.NettyResponseFuture.abort(NettyResponseFuture.java:297) at com.ning.http.client.providers.netty.NettyConnectListener.operationComplete(NettyConnectListener.java:104) at org.jboss.netty.channel.DefaultChannelFuture.notifyListener(DefaultChannelFuture.java:399) at org.jboss.netty.channel.DefaultChannelFuture.notifyListeners(DefaultChannelFuture.java:390) at org.jboss.netty.channel.DefaultChannelFuture.setFailure(DefaultChannelFuture.java:352) at org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.connect(NioClientSocketPipelineSink.java:409) at org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.processSelectedKeys(NioClientSocketPipelineSink.java:366) at org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.run(NioClientSocketPipelineSink.java:282) at org.jboss.netty.util.ThreadRenamingRunnable.run(ThreadRenamingRunnable.java:102) at org.jboss.netty.util.internal.DeadLockProofWorker$1.run(DeadLockProofWorker.java:42) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:724) Caused by: java.net.ConnectException: Connection refused to http://myhost:18900/manifest.json at com.ning.http.client.providers.netty.NettyConnectListener.operationComplete(NettyConnectListener.java:100) ... 11 more Caused by: java.net.ConnectException: Connection refused at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) at sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:708) at org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.connect(NioClientSocketPipelineSink.java:404) at org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.processSelectedKeys(NioClientSocketPipelineSink.java:366) at org.jboss.netty.channel.socket.nio.NioClientSocketPipelineSink$Boss.run(NioClientSocketPipelineSink.java:282) ... 3 more 2014-07-22 06:59:40,602 ERROR [ParcelUpdateService:components.ParcelDownloaderImpl@371] Failed to download manifest. Status code: 404 URI: http://archive.cloudera.com/sqoop-connectors/parcels/manifest.json 2014-07-22 07:00:35,206 INFO [CMMetricsForwarder-0:components.ClouderaManagerMetricsForwarder@172] Failed to send metrics. java.lang.reflect.UndeclaredThrowableException at com.sun.proxy.$Proxy79.writeMetrics(Unknown Source) at com.cloudera.server.cmf.components.ClouderaManagerMetricsForwarder.sendWithAvro(ClouderaManagerMetricsForwarder.java:184) at com.cloudera.server.cmf.components.ClouderaManagerMetricsForwarder.sendMetrics(ClouderaManagerMetricsForwarder.java:171) at com.cloudera.server.cmf.components.ClouderaManagerMetricsForwarder.run(ClouderaManagerMetricsForwarder.java:99) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:351) at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:178) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:724) Caused by: org.apache.avro.AvroRemoteException: java.net.ConnectException: Connection refused at org.apache.avro.ipc.specific.SpecificRequestor.invoke(SpecificRequestor.java:88) ... 12 more Caused by: java.net.ConnectException: Connection refused at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:579) at sun.net.NetworkClient.doConnect(NetworkClient.java:175) at sun.net.www.http.HttpClient.openServer(HttpClient.java:378) at sun.net.www.http.HttpClient.openServer(HttpClient.java:473) at sun.net.www.http.HttpClient.<init>(HttpClient.java:203) at sun.net.www.http.HttpClient.New(HttpClient.java:290) at sun.net.www.http.HttpClient.New(HttpClient.java:306) at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:995) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:931) at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:849) at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1090) at org.apache.avro.ipc.HttpTransceiver.writeBuffers(HttpTransceiver.java:71) at org.apache.avro.ipc.Transceiver.transceive(Transceiver.java:58) at org.apache.avro.ipc.Transceiver.transceive(Transceiver.java:72) at org.apache.avro.ipc.Requestor.request(Requestor.java:147) at org.apache.avro.ipc.Requestor.request(Requestor.java:101) at org.apache.avro.ipc.specific.SpecificRequestor.invoke(SpecificRequestor.java:72) ... 12 more   it was trying to download the manifest from http://archive.cloudera.com/sqoop-connectors/parcels/manifest.json However, it is actually located there http://archive.cloudera.com/sqoop-connectors/parcels/latest/manifest.json.   Could you, please, advise me if there is any way to fix it?   Thanks ... 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