<?xml version="1.0" encoding="UTF-8"?>
<rss xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:taxo="http://purl.org/rss/1.0/modules/taxonomy/" version="2.0">
  <channel>
    <title>question Re: HDF cluster implementation Error in Support Questions</title>
    <link>https://community.cloudera.com/t5/Support-Questions/HDF-cluster-implementation-Error/m-p/197888#M159939</link>
    <description>&lt;P&gt;&lt;A rel="user" href="https://community.cloudera.com/users/18798/mshash.html" nodeid="18798"&gt;@Mahmoud Shash&lt;/A&gt;&lt;/P&gt;&lt;P&gt;Regarding your error:&lt;/P&gt;&lt;PRE&gt;ERROR [main] ModuleFileUnmarshaller:141 - Cannot parse 
/var/lib/ambari-server/resources/stacks/HDF/2.0/upgrades/nonrolling-upgrade-2.1.xml
.
.
Caused by: org.xml.sax.SAXParseException; systemId: 
file:/var/lib/ambari-server/resources/stacks/HDF/2.0/upgrades/nonrolling-upgrade-2.1.xml;
 lineNumber: 24; columnNumber: 22; cvc-complex-type.2.4.a: Invalid 
content was found starting with element 'downgrade-allowed'. One of 
'{upgrade-path, order}' is expected. at &lt;/PRE&gt;&lt;P&gt;.&lt;/P&gt;&lt;P&gt;Can you please open that file and see what is there on &lt;STRONG&gt;line 24&lt;/STRONG&gt;  Can you please share the file here.&lt;/P&gt;&lt;PRE&gt;/var/lib/ambari-server/resources/stacks/HDF/2.0/upgrades/nonrolling-upgrade-2.1.xml&lt;/PRE&gt;&lt;P&gt;.&lt;/P&gt;</description>
    <pubDate>Mon, 05 Jun 2017 23:54:46 GMT</pubDate>
    <dc:creator>jsensharma</dc:creator>
    <dc:date>2017-06-05T23:54:46Z</dc:date>
    <item>
      <title>HDF cluster implementation Error</title>
      <link>https://community.cloudera.com/t5/Support-Questions/HDF-cluster-implementation-Error/m-p/197886#M159937</link>
      <description>&lt;P&gt;I need to build  HDF cluster ,&lt;/P&gt;&lt;P&gt;I'm using the following repo versions &lt;/P&gt;&lt;P&gt;ambari-2.4.2.0-centos7.tar.gz&lt;/P&gt;&lt;P&gt;HDF-2.1.3.0-centos7-tars-tarball.tar.gz&lt;/P&gt;&lt;P&gt;hdf-ambari-mpack-2.1.2.0-10.tar.gz&lt;/P&gt;&lt;P&gt;the problem is an error occurred preventing the ambari-server from start after the management pack installation  with the following error in ambari-server.log&lt;A href="https://community.cloudera.com/legacyfs/online/attachments/16005-ambari-server.txt"&gt;ambari-server.txt&lt;/A&gt; given that the DB consistency has no issues .&lt;A href="https://community.cloudera.com/legacyfs/online/attachments/16004-ambari-server-check-database.txt"&gt;ambari-server-check-database.txt&lt;/A&gt;  &lt;/P&gt;&lt;P&gt;04 Jun 2017 14:28:42,298  INFO [main] HostRoleCommandDAO:258 - Host role command status summary cache enabled !
04 Jun 2017 14:28:42,299  INFO [main] TransactionalLock$LockArea:121 - LockArea HRC_STATUS_CACHE is enabled
04 Jun 2017 14:28:42,564  INFO [main] LockFactory:53 - Lock profiling is disabled
04 Jun 2017 14:28:42,566  INFO [main] AmbariServer:988 - Getting the controller
04 Jun 2017 14:28:44,832  INFO [main] StackManager:146 - Initializing the stack manager...
04 Jun 2017 14:28:45,372  INFO [main] ServiceDirectory:419 - Role command order info was loaded from file: /var/lib/ambari-server/resources/common-services/DRUID/0.9.2/role_command_order.json
04 Jun 2017 14:28:46,427 ERROR [main] ModuleFileUnmarshaller:141 - Cannot parse /var/lib/ambari-server/resources/stacks/HDF/2.0/upgrades/nonrolling-upgrade-2.1.xml
04 Jun 2017 14:28:46,428 ERROR [main] ModuleFileUnmarshaller:143 - cvc-complex-type.2.4.a: Invalid content was found starting with element 'downgrade-allowed'. One of '{upgrade-path, order}' is expected.
org.xml.sax.SAXParseException; systemId: file:/var/lib/ambari-server/resources/stacks/HDF/2.0/upgrades/nonrolling-upgrade-2.1.xml; lineNumber: 24; columnNumber: 22; cvc-complex-type.2.4.a: Invalid content was found starting with element 'downgrade-allowed'. One of '{upgrade-path, order}' is expected.
at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(ErrorHandlerWrapper.java:203)
at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.error(ErrorHandlerWrapper.java:134)
at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:396)
at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:327)
at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:284)
at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator$XSIErrorReporter.reportError(XMLSchemaValidator.java:452)
at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.reportSchemaError(XMLSchemaValidator.java:3230)
at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.handleStartElement(XMLSchemaValidator.java:1790)
at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.startElement(XMLSchemaValidator.java:740)
at com.sun.org.apache.xerces.internal.jaxp.validation.ValidatorHandlerImpl.startElement(ValidatorHandlerImpl.java:570)
at com.sun.xml.bind.v2.runtime.unmarshaller.ValidatingUnmarshaller.startElement(ValidatingUnmarshaller.java:101)
at com.sun.xml.bind.v2.runtime.unmarshaller.SAXConnector.startElement(SAXConnector.java:152)
at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(AbstractSAXParser.java:509)
at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartElement(XMLNSDocumentScannerImpl.java:374)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2784)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:602)
at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(XMLNSDocumentScannerImpl.java:112)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:505)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:841)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:770)
at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:141)
at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1213)
at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:643)
at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal0(UnmarshallerImpl.java:216)
at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal(UnmarshallerImpl.java:189)
at javax.xml.bind.helpers.AbstractUnmarshallerImpl.unmarshal(AbstractUnmarshallerImpl.java:157)
at javax.xml.bind.helpers.AbstractUnmarshallerImpl.unmarshal(AbstractUnmarshallerImpl.java:162)
at javax.xml.bind.helpers.AbstractUnmarshallerImpl.unmarshal(AbstractUnmarshallerImpl.java:171)
at javax.xml.bind.helpers.AbstractUnmarshallerImpl.unmarshal(AbstractUnmarshallerImpl.java:189)
at org.apache.ambari.server.stack.ModuleFileUnmarshaller.unmarshal(ModuleFileUnmarshaller.java:136)
at org.apache.ambari.server.stack.ModuleFileUnmarshaller.unmarshal(ModuleFileUnmarshaller.java:81)
at org.apache.ambari.server.stack.StackDirectory.parseUpgradePack(StackDirectory.java:448)
at org.apache.ambari.server.stack.StackDirectory.parseUpgradePacks(StackDirectory.java:422)
at org.apache.ambari.server.stack.StackDirectory.parsePath(StackDirectory.java:307)
at org.apache.ambari.server.stack.StackDirectory.&amp;lt;init&amp;gt;(StackDirectory.java:158)
at org.apache.ambari.server.stack.StackManager.parseStackDirectory(StackManager.java:555)
at org.apache.ambari.server.stack.StackManager.parseDirectories(StackManager.java:187)
at org.apache.ambari.server.stack.StackManager.&amp;lt;init&amp;gt;(StackManager.java:158)
at org.apache.ambari.server.stack.StackManager$FastClassByGuice$33e4ffe0.newInstance(&amp;lt;generated&amp;gt;)
at com.google.inject.internal.cglib.reflect.$FastConstructor.newInstance(FastConstructor.java:40)
at com.google.inject.internal.DefaultConstructionProxyFactory$1.newInstance(DefaultConstructionProxyFactory.java:60)
at com.google.inject.internal.ConstructorInjector.construct(ConstructorInjector.java:85)
at com.google.inject.internal.ConstructorBindingImpl$Factory.get(ConstructorBindingImpl.java:254)
at com.google.inject.internal.InjectorImpl$4$1.call(InjectorImpl.java:978)
at com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1031)
at com.google.inject.internal.InjectorImpl$4.get(InjectorImpl.java:974)
at com.google.inject.assistedinject.FactoryProvider2.invoke(FactoryProvider2.java:632)
at com.sun.proxy.$Proxy28.create(Unknown Source)
at org.apache.ambari.server.api.services.AmbariMetaInfo.init(AmbariMetaInfo.java:265)
at org.apache.ambari.server.api.services.AmbariMetaInfo$FastClassByGuice$202844bc.invoke(&amp;lt;generated&amp;gt;)
at com.google.inject.internal.cglib.reflect.$FastMethod.invoke(FastMethod.java:53)
at com.google.inject.internal.SingleMethodInjector$1.invoke(SingleMethodInjector.java:56)
at com.google.inject.internal.SingleMethodInjector.inject(SingleMethodInjector.java:90)
at com.google.inject.internal.MembersInjectorImpl.injectMembers(MembersInjectorImpl.java:110)
at com.google.inject.internal.ConstructorInjector.construct(ConstructorInjector.java:94)
at com.google.inject.internal.ConstructorBindingImpl$Factory.get(ConstructorBindingImpl.java:254)
at com.google.inject.internal.ProviderToInternalFactoryAdapter$1.call(ProviderToInternalFactoryAdapter.java:46)
at com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1031)
at com.google.inject.internal.ProviderToInternalFactoryAdapter.get(ProviderToInternalFactoryAdapter.java:40)
at com.google.inject.Scopes$1$1.get(Scopes.java:65)
at com.google.inject.internal.InternalFactoryToProviderAdapter.get(InternalFactoryToProviderAdapter.java:40)
at com.google.inject.internal.SingleFieldInjector.inject(SingleFieldInjector.java:53)
at com.google.inject.internal.MembersInjectorImpl.injectMembers(MembersInjectorImpl.java:110)
at com.google.inject.internal.ConstructorInjector.construct(ConstructorInjector.java:94)
at com.google.inject.internal.ConstructorBindingImpl$Factory.get(ConstructorBindingImpl.java:254)
at com.google.inject.internal.ProviderToInternalFactoryAdapter$1.call(ProviderToInternalFactoryAdapter.java:46)
at com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1031)
at com.google.inject.internal.ProviderToInternalFactoryAdapter.get(ProviderToInternalFactoryAdapter.java:40)
at com.google.inject.Scopes$1$1.get(Scopes.java:65)
at com.google.inject.internal.InternalFactoryToProviderAdapter.get(InternalFactoryToProviderAdapter.java:40)
at com.google.inject.internal.InjectorImpl$4$1.call(InjectorImpl.java:978)
at com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1024)
at com.google.inject.internal.InjectorImpl$4.get(InjectorImpl.java:974)
at com.google.inject.internal.InjectorImpl.getInstance(InjectorImpl.java:1013)
at org.apache.ambari.server.controller.AmbariServer.main(AmbariServer.java:1004)
04 Jun 2017 14:28:46,449 ERROR [main] AmbariServer:1017 - Failed to run the Ambari Server
com.google.inject.ProvisionException: Guice provision errors:
1) Error injecting constructor, org.apache.ambari.server.AmbariException: Unable to parse stack upgrade file at location: /var/lib/ambari-server/resources/stacks/HDF/2.0/upgrades/nonrolling-upgrade-2.1.xml
  at org.apache.ambari.server.stack.StackManager.&amp;lt;init&amp;gt;(StackManager.java:144)
  while locating org.apache.ambari.server.stack.StackManager annotated with interface com.google.inject.assistedinject.Assisted
  at org.apache.ambari.server.api.services.AmbariMetaInfo.init(AmbariMetaInfo.java:261)
  at org.apache.ambari.server.api.services.AmbariMetaInfo.class(AmbariMetaInfo.java:135)
  while locating org.apache.ambari.server.api.services.AmbariMetaInfo
    for field at org.apache.ambari.server.controller.AmbariServer.ambariMetaInfo(AmbariServer.java:166)
  at org.apache.ambari.server.controller.AmbariServer.class(AmbariServer.java:166)
  while locating org.apache.ambari.server.controller.AmbariServer
1 error
at com.google.inject.internal.InjectorImpl$4.get(InjectorImpl.java:987)
at com.google.inject.internal.InjectorImpl.getInstance(InjectorImpl.java:1013)
at org.apache.ambari.server.controller.AmbariServer.main(AmbariServer.java:1004)
Caused by: org.apache.ambari.server.AmbariException: Unable to parse stack upgrade file at location: /var/lib/ambari-server/resources/stacks/HDF/2.0/upgrades/nonrolling-upgrade-2.1.xml
at org.apache.ambari.server.stack.StackDirectory.parseUpgradePack(StackDirectory.java:455)
at org.apache.ambari.server.stack.StackDirectory.parseUpgradePacks(StackDirectory.java:422)
at org.apache.ambari.server.stack.StackDirectory.parsePath(StackDirectory.java:307)
at org.apache.ambari.server.stack.StackDirectory.&amp;lt;init&amp;gt;(StackDirectory.java:158)
at org.apache.ambari.server.stack.StackManager.parseStackDirectory(StackManager.java:555)
at org.apache.ambari.server.stack.StackManager.parseDirectories(StackManager.java:187)
at org.apache.ambari.server.stack.StackManager.&amp;lt;init&amp;gt;(StackManager.java:158)
at org.apache.ambari.server.stack.StackManager$FastClassByGuice$33e4ffe0.newInstance(&amp;lt;generated&amp;gt;)
at com.google.inject.internal.cglib.reflect.$FastConstructor.newInstance(FastConstructor.java:40)
at com.google.inject.internal.DefaultConstructionProxyFactory$1.newInstance(DefaultConstructionProxyFactory.java:60)
at com.google.inject.internal.ConstructorInjector.construct(ConstructorInjector.java:85)
at com.google.inject.internal.ConstructorBindingImpl$Factory.get(ConstructorBindingImpl.java:254)
at com.google.inject.internal.InjectorImpl$4$1.call(InjectorImpl.java:978)
at com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1031)
at com.google.inject.internal.InjectorImpl$4.get(InjectorImpl.java:974)
at com.google.inject.assistedinject.FactoryProvider2.invoke(FactoryProvider2.java:632)
at com.sun.proxy.$Proxy28.create(Unknown Source)
at org.apache.ambari.server.api.services.AmbariMetaInfo.init(AmbariMetaInfo.java:265)
at org.apache.ambari.server.api.services.AmbariMetaInfo$FastClassByGuice$202844bc.invoke(&amp;lt;generated&amp;gt;)
at com.google.inject.internal.cglib.reflect.$FastMethod.invoke(FastMethod.java:53)
at com.google.inject.internal.SingleMethodInjector$1.invoke(SingleMethodInjector.java:56)
at com.google.inject.internal.SingleMethodInjector.inject(SingleMethodInjector.java:90)
at com.google.inject.internal.MembersInjectorImpl.injectMembers(MembersInjectorImpl.java:110)
at com.google.inject.internal.ConstructorInjector.construct(ConstructorInjector.java:94)
at com.google.inject.internal.ConstructorBindingImpl$Factory.get(ConstructorBindingImpl.java:254)
at com.google.inject.internal.ProviderToInternalFactoryAdapter$1.call(ProviderToInternalFactoryAdapter.java:46)
at com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1031)
at com.google.inject.internal.ProviderToInternalFactoryAdapter.get(ProviderToInternalFactoryAdapter.java:40)
at com.google.inject.Scopes$1$1.get(Scopes.java:65)
at com.google.inject.internal.InternalFactoryToProviderAdapter.get(InternalFactoryToProviderAdapter.java:40)
at com.google.inject.internal.SingleFieldInjector.inject(SingleFieldInjector.java:53)
at com.google.inject.internal.MembersInjectorImpl.injectMembers(MembersInjectorImpl.java:110)
at com.google.inject.internal.ConstructorInjector.construct(ConstructorInjector.java:94)
at com.google.inject.internal.ConstructorBindingImpl$Factory.get(ConstructorBindingImpl.java:254)
at com.google.inject.internal.ProviderToInternalFactoryAdapter$1.call(ProviderToInternalFactoryAdapter.java:46)
at com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1031)
at com.google.inject.internal.ProviderToInternalFactoryAdapter.get(ProviderToInternalFactoryAdapter.java:40)
at com.google.inject.Scopes$1$1.get(Scopes.java:65)
at com.google.inject.internal.InternalFactoryToProviderAdapter.get(InternalFactoryToProviderAdapter.java:40)
at com.google.inject.internal.InjectorImpl$4$1.call(InjectorImpl.java:978)
at com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1024)
at com.google.inject.internal.InjectorImpl$4.get(InjectorImpl.java:974)
... 2 more
Caused by: javax.xml.bind.UnmarshalException
 - with linked exception:
[org.xml.sax.SAXParseException; systemId: file:/var/lib/ambari-server/resources/stacks/HDF/2.0/upgrades/nonrolling-upgrade-2.1.xml; lineNumber: 24; columnNumber: 22; cvc-complex-type.2.4.a: Invalid content was found starting with element 'downgrade-allowed'. One of '{upgrade-path, order}' is expected.]
at javax.xml.bind.helpers.AbstractUnmarshallerImpl.createUnmarshalException(AbstractUnmarshallerImpl.java:335)
at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.createUnmarshalException(UnmarshallerImpl.java:523)
at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal0(UnmarshallerImpl.java:220)
at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal(UnmarshallerImpl.java:189)
at javax.xml.bind.helpers.AbstractUnmarshallerImpl.unmarshal(AbstractUnmarshallerImpl.java:157)
at javax.xml.bind.helpers.AbstractUnmarshallerImpl.unmarshal(AbstractUnmarshallerImpl.java:162)
at javax.xml.bind.helpers.AbstractUnmarshallerImpl.unmarshal(AbstractUnmarshallerImpl.java:171)
at javax.xml.bind.helpers.AbstractUnmarshallerImpl.unmarshal(AbstractUnmarshallerImpl.java:189)
at org.apache.ambari.server.stack.ModuleFileUnmarshaller.unmarshal(ModuleFileUnmarshaller.java:136)
at org.apache.ambari.server.stack.ModuleFileUnmarshaller.unmarshal(ModuleFileUnmarshaller.java:81)
at org.apache.ambari.server.stack.StackDirectory.parseUpgradePack(StackDirectory.java:448)
... 43 more
Caused by: org.xml.sax.SAXParseException; systemId: file:/var/lib/ambari-server/resources/stacks/HDF/2.0/upgrades/nonrolling-upgrade-2.1.xml; lineNumber: 24; columnNumber: 22; cvc-complex-type.2.4.a: Invalid content was found starting with element 'downgrade-allowed'. One of '{upgrade-path, order}' is expected.
at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(ErrorHandlerWrapper.java:203)
at com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.error(ErrorHandlerWrapper.java:134)
at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:396)
at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:327)
at com.sun.org.apache.xerces.internal.impl.XMLErrorReporter.reportError(XMLErrorReporter.java:284)
at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator$XSIErrorReporter.reportError(XMLSchemaValidator.java:452)
at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.reportSchemaError(XMLSchemaValidator.java:3230)
at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.handleStartElement(XMLSchemaValidator.java:1790)
at com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaValidator.startElement(XMLSchemaValidator.java:740)
at com.sun.org.apache.xerces.internal.jaxp.validation.ValidatorHandlerImpl.startElement(ValidatorHandlerImpl.java:570)
at com.sun.xml.bind.v2.runtime.unmarshaller.ValidatingUnmarshaller.startElement(ValidatingUnmarshaller.java:101)
at com.sun.xml.bind.v2.runtime.unmarshaller.SAXConnector.startElement(SAXConnector.java:152)
at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(AbstractSAXParser.java:509)
at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.scanStartElement(XMLNSDocumentScannerImpl.java:374)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(XMLDocumentFragmentScannerImpl.java:2784)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(XMLDocumentScannerImpl.java:602)
at com.sun.org.apache.xerces.internal.impl.XMLNSDocumentScannerImpl.next(XMLNSDocumentScannerImpl.java:112)
at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(XMLDocumentFragmentScannerImpl.java:505)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:841)
at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(XML11Configuration.java:770)
at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(XMLParser.java:141)
at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(AbstractSAXParser.java:1213)
at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(SAXParserImpl.java:643)
at com.sun.xml.bind.v2.runtime.unmarshaller.UnmarshallerImpl.unmarshal0(UnmarshallerImpl.java:216)
... 51 more&lt;/P&gt;</description>
      <pubDate>Mon, 05 Jun 2017 23:30:10 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Support-Questions/HDF-cluster-implementation-Error/m-p/197886#M159937</guid>
      <dc:creator>M_Shash</dc:creator>
      <dc:date>2017-06-05T23:30:10Z</dc:date>
    </item>
    <item>
      <title>Re: HDF cluster implementation Error</title>
      <link>https://community.cloudera.com/t5/Support-Questions/HDF-cluster-implementation-Error/m-p/197887#M159938</link>
      <description>&lt;P&gt;&lt;A href="https://community.hortonworks.com/questions/106214/hdf-cluster-implementation-error.html#"&gt;@Mahmoud Shash
&lt;/A&gt;&lt;/P&gt;&lt;P&gt;As we see that you are getting the following error:&lt;/P&gt;&lt;PRE&gt;1) Error injecting constructor, org.apache.ambari.server.AmbariException: Stack Definition Service at '/var/lib/ambari-server/resources/common-services/NIFI/1.0.0/metainfo.xml' doesn't contain a metainfo.xml file
  at org.apache.ambari.server.stack.StackManager.&amp;lt;init&amp;gt;(StackManager.java:144)
  while locating org.apache.ambari.server.stack.StackManager annotated with interface com.google.inject.assistedinject.Assisted
  at org.apache.ambari.server.api.services.AmbariMetaInfo.init(AmbariMetaInfo.java:261)
  at org.apache.ambari.server.api.services.AmbariMetaInfo.class(AmbariMetaInfo.java:135)
  while locating org.apache.ambari.server.api.services.AmbariMetaInfo

1 error
	at com.google.inject.internal.InjectorImpl$4.get(InjectorImpl.java:987)
	at com.google.inject.internal.InjectorImpl.getInstance(InjectorImpl.java:1013)
	at org.apache.ambari.server.checks.DatabaseConsistencyCheckHelper.checkServiceConfigs(DatabaseConsistencyCheckHelper.java:790)
	at org.apache.ambari.server.checks.DatabaseConsistencyCheckHelper.runAllDBChecks(DatabaseConsistencyCheckHelper.java:178)
	at org.apache.ambari.server.checks.DatabaseConsistencyChecker.main(DatabaseConsistencyChecker.java:106)
Caused by: org.apache.ambari.server.AmbariException: Stack Definition Service at '/var/lib/ambari-server/resources/common-services/NIFI/1.0.0/metainfo.xml' doesn't contain a metainfo.xml file
	at org.apache.ambari.server.stack.ServiceDirectory.parseMetaInfoFile(ServiceDirectory.java:392)&lt;/PRE&gt;&lt;P&gt;.&lt;/P&gt;&lt;P&gt;So can you please try the following: &lt;/P&gt;&lt;PRE&gt;# mv  /var/lib/ambari-server/resources/common-services/NIFI   /tmp
&lt;/PRE&gt;&lt;P&gt;.&lt;/P&gt;&lt;P&gt;Then restart your process.&lt;/P&gt;&lt;P&gt;I am suspecting that there is something missing or incorrect (corrupted) inside your following directory, So it would be better if you can compare it with any of your working environment. &lt;/P&gt;&lt;PRE&gt;/var/lib/ambari-server/resources/common-services/NIFI&lt;/PRE&gt;</description>
      <pubDate>Mon, 05 Jun 2017 23:45:01 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Support-Questions/HDF-cluster-implementation-Error/m-p/197887#M159938</guid>
      <dc:creator>jsensharma</dc:creator>
      <dc:date>2017-06-05T23:45:01Z</dc:date>
    </item>
    <item>
      <title>Re: HDF cluster implementation Error</title>
      <link>https://community.cloudera.com/t5/Support-Questions/HDF-cluster-implementation-Error/m-p/197888#M159939</link>
      <description>&lt;P&gt;&lt;A rel="user" href="https://community.cloudera.com/users/18798/mshash.html" nodeid="18798"&gt;@Mahmoud Shash&lt;/A&gt;&lt;/P&gt;&lt;P&gt;Regarding your error:&lt;/P&gt;&lt;PRE&gt;ERROR [main] ModuleFileUnmarshaller:141 - Cannot parse 
/var/lib/ambari-server/resources/stacks/HDF/2.0/upgrades/nonrolling-upgrade-2.1.xml
.
.
Caused by: org.xml.sax.SAXParseException; systemId: 
file:/var/lib/ambari-server/resources/stacks/HDF/2.0/upgrades/nonrolling-upgrade-2.1.xml;
 lineNumber: 24; columnNumber: 22; cvc-complex-type.2.4.a: Invalid 
content was found starting with element 'downgrade-allowed'. One of 
'{upgrade-path, order}' is expected. at &lt;/PRE&gt;&lt;P&gt;.&lt;/P&gt;&lt;P&gt;Can you please open that file and see what is there on &lt;STRONG&gt;line 24&lt;/STRONG&gt;  Can you please share the file here.&lt;/P&gt;&lt;PRE&gt;/var/lib/ambari-server/resources/stacks/HDF/2.0/upgrades/nonrolling-upgrade-2.1.xml&lt;/PRE&gt;&lt;P&gt;.&lt;/P&gt;</description>
      <pubDate>Mon, 05 Jun 2017 23:54:46 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Support-Questions/HDF-cluster-implementation-Error/m-p/197888#M159939</guid>
      <dc:creator>jsensharma</dc:creator>
      <dc:date>2017-06-05T23:54:46Z</dc:date>
    </item>
    <item>
      <title>Re: HDF cluster implementation Error</title>
      <link>https://community.cloudera.com/t5/Support-Questions/HDF-cluster-implementation-Error/m-p/197889#M159940</link>
      <description>&lt;P&gt;&lt;A rel="user" href="https://community.cloudera.com/users/19411/liuruibnu.html" nodeid="19411"&gt;@Rachel Rui Liu
&lt;/A&gt;&lt;/P&gt;&lt;P&gt;I see your similar post here:  &lt;A href="https://community.hortonworks.com/questions/110402/issue-when-upgrade-hdf212-to-hdf30.html#answer-111776" target="_blank"&gt;https://community.hortonworks.com/questions/110402/issue-when-upgrade-hdf212-to-hdf30.html#answer-111776&lt;/A&gt;&lt;/P&gt;&lt;P&gt;&lt;A rel="user" href="https://community.cloudera.com/users/19411/liuruibnu.html" nodeid="19411"&gt;&lt;/A&gt;&lt;/P&gt;</description>
      <pubDate>Thu, 06 Jul 2017 16:33:02 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Support-Questions/HDF-cluster-implementation-Error/m-p/197889#M159940</guid>
      <dc:creator>jsensharma</dc:creator>
      <dc:date>2017-07-06T16:33:02Z</dc:date>
    </item>
    <item>
      <title>Re: HDF cluster implementation Error</title>
      <link>https://community.cloudera.com/t5/Support-Questions/HDF-cluster-implementation-Error/m-p/197890#M159941</link>
      <description>&lt;P&gt;Thanks Jay, I deleted the reply to make this thread clean.&lt;/P&gt;</description>
      <pubDate>Thu, 06 Jul 2017 16:58:29 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Support-Questions/HDF-cluster-implementation-Error/m-p/197890#M159941</guid>
      <dc:creator>liuruibnu</dc:creator>
      <dc:date>2017-07-06T16:58:29Z</dc:date>
    </item>
    <item>
      <title>Re: HDF cluster implementation Error</title>
      <link>https://community.cloudera.com/t5/Support-Questions/HDF-cluster-implementation-Error/m-p/197891#M159942</link>
      <description>&lt;P&gt;Appreciated a lot and sorry for being late to reply &lt;/P&gt;</description>
      <pubDate>Mon, 07 May 2018 18:25:32 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Support-Questions/HDF-cluster-implementation-Error/m-p/197891#M159942</guid>
      <dc:creator>M_Shash</dc:creator>
      <dc:date>2018-05-07T18:25:32Z</dc:date>
    </item>
  </channel>
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