topic Re: Get specific version content in Alfresco Archive

Get specific version content

nicocsgamer — Fri, 11 Jul 2008 15:37:42 GMT

Hi !I have versionable node and I try to retrieve content of a specific version of a content node. For exemple i have a node called text.txt with 3 versions: 1.0, 1.1 and 1.2.I would retrieve content of version 1.1.For the moment : I create a node with content. 2 add versionnable apsect.3 update co

Re: Get specific version content

morpheus — Tue, 05 Aug 2008 12:25:23 GMT

what´s the problem ? , please more precisely

Re: Get specific version content

nicocsgamer — Wed, 06 Aug 2008 08:53:28 GMT

Hi !

I have this error :

org.alfresco.webservice.util.WebServiceException: Unable to get content as inputStream.
   at org.alfresco.webservice.util.ContentUtils.getContentAsInputStream(ContentUtils.java:128)
   at com.excilys.alfresco.service.impl.ContentService.getContentAsInputStream(ContentService.java:281)
   at com.excilys.alfresco.service.impl.ContentServiceTest.getContentAsInputStreamShouldShould(ContentServiceTest.java:215)
   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:616)
   at org.junit.internal.runners.TestMethodRunner.executeMethodBody(TestMethodRunner.java:99)
   at org.junit.internal.runners.TestMethodRunner.runUnprotected(TestMethodRunner.java:81)
   at org.junit.internal.runners.BeforeAndAfterRunner.runProtected(BeforeAndAfterRunner.java:34)
   at org.junit.internal.runners.TestMethodRunner.runMethod(TestMethodRunner.java:75)
   at org.junit.internal.runners.TestMethodRunner.run(TestMethodRunner.java:45)
   at org.junit.internal.runners.TestClassMethodsRunner.invokeTestMethod(TestClassMethodsRunner.java:75)
   at org.junit.internal.runners.TestClassMethodsRunner.run(TestClassMethodsRunner.java:36)
   at org.junit.internal.runners.TestClassRunner$1.runUnprotected(TestClassRunner.java:42)
   at org.junit.internal.runners.BeforeAndAfterRunner.runProtected(BeforeAndAfterRunner.java:34)
   at org.junit.internal.runners.TestClassRunner.run(TestClassRunner.java:52)
   at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:45)
   at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
   at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460)
   at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673)
   at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386)
   at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)
Caused by: java.net.MalformedURLException: no protocol: null?ticket=TICKET_ef650f26-6394-11dd-849f-c75dd430314d
   at java.net.URL.<init>(URL.java:583)
   at java.net.URL.<init>(URL.java:480)
   at java.net.URL.<init>(URL.java:429)
   at org.alfresco.webservice.util.ContentUtils.getContentAsInputStream(ContentUtils.java:122)
   … 22 more

Re: Get specific version content

morpheus — Thu, 07 Aug 2008 09:41:07 GMT

is the Content[] null ?
or
there is an Malformed URL, look at your References

Re: Get specific version content

morpheus — Sun, 10 Aug 2008 11:38:06 GMT

have you tried to get the content with ContentUtils.getContentAsString() ?

Re: Get specific version content

nicocsgamer — Thu, 28 Aug 2008 07:28:53 GMT

Its the same thing and my references are right.

Re: Get specific version content

morpheus — Thu, 28 Aug 2008 07:54:17 GMT

ok there might an other reason , i recognized yesterday !
look at the URL the read Request receices from the server is this ok ? , you can watch that by capturing the SOAP message with a tool like tcpmon

Re: Get specific version content

djenk — Fri, 29 Aug 2008 15:49:15 GMT

I had the same problem and addressed it by changing the type of the store to "versionStore" from Constants.WORKSPACE_STORE. Note that there is nothing defined in the Constants class for this. I figured this out by looking at how Alfresco builds the URL based on the URL and what URL is used within the web client for retrieving previous versions. Not sure if this is the proper way to retrieve version content (I'm a newbie to Alfresco), but it worked for me.

From…
private Store versionStore = new Store(Constants.WORKSPACE_STORE, "lightWeightVersionStore");

To…
private Store versionStore = new Store("versionStore", "lightWeightVersionStore");

Hope this helps.

Re: Get specific version content

thierensbart — Fri, 27 Nov 2009 08:16:47 GMT

I have the same problem.

The problem is: it downloads some versions of a document without problems, but then it crashes at one specific version (1.0).

my log:


[2009-11-27 06:08:12] exporting version 1.1 for randomdocument.doc (229.50 kB)
[2009-11-27 06:08:12] exporting version 1.0 for randomdocument.doc (0.00 B)
[2009-11-27 06:08:12] ////////// Exception Class: class org.alfresco.webservice.util.WebServiceException
[2009-11-27 06:08:12] ////////// Exception Message: Unable to get content as inputStream.
[2009-11-27 06:08:12] ////////// Exception Cause: java.net.MalformedURLException: no protocol: null?ticket=TICKET_eecd68c090194b694b7ac81aedac32c92fcccc79‍‍‍‍‍‍

It also says the size = 0.00 B, which it isn't.

For some reason it creates a null-url. Don't know why.

My store is already set to

private Store versionStore = new Store("versionStore", "lightWeightVersionStore");‍

Anyone have an idea?

edit:
it doesn't give errors for every document. most versioned documents are downloaded perfectly.

Re: Get specific version content

ameenulla — Wed, 28 May 2014 09:30:00 GMT

I am getting following error while fetching file

public  InputStream fetchFile( String alfrescoPath) throws Exception 
   {
      InputStream is = null;
      if(null!=alfrescoPath )
      {
         AuthenticationDetails details=   WebServiceClient.startSession(getAlfUser(0), getAlfPassword(0));
         try 
         {
            Store store = new Store(Constants.WORKSPACE_STORE, "SpacesStore");
            Reference nodeRef = new Reference(store, null, alfrescoPath);
   
            Content[] contArr = WebServiceClient.getContentService(details).read(new Predicate(new Reference[] { nodeRef }, store, null), Constants.PROP_CONTENT);
            Content content = contArr[0];
            
            is = ContentUtils.getContentAsInputStream(content);
            
         } 
         finally 
         {
            WebServiceClient.endSession(details);
         }
      }
      return is;
   }
   ‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍

org.alfresco.webservice.util.WebServiceException: Unable to get content as inputStream.
        at org.alfresco.webservice.util.ContentUtils.getContentAsInputStream(ContentUtils.java:139)
        at com.rtq.dms.AlfrescoDmsManagement.fetchFile(AlfrescoDmsManagement.java:207)
        at com.rtq.processinitiator.servlets.downloadServlet.service(downloadServlet.java:41)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
        at sun.reflect.GeneratedMethodAccessor1466.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at com.liferay.portal.kernel.bean.ClassLoaderBeanHandler.invoke(ClassLoaderBeanHandler.java:67)
        at com.sun.proxy.$Proxy753.doFilter(Unknown Source)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDirectCallFilter(InvokerFilterChain.java:165)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:96)
        at com.liferay.portal.kernel.servlet.PortalClassLoaderFilter.doFilter(PortalClassLoaderFilter.java:74)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:204)

Re: Get specific version content

ameenulla — Wed, 28 May 2014 09:35:47 GMT

I am getting following error while fetching file

public  InputStream fetchFile( String alfrescoPath) throws Exception 
   {
      InputStream is = null;
      if(null!=alfrescoPath )
      {
         AuthenticationDetails details=   WebServiceClient.startSession(getAlfUser(0), getAlfPassword(0));
         try 
         {
            Store store = new Store(Constants.WORKSPACE_STORE, "SpacesStore");
            Reference nodeRef = new Reference(store, null, alfrescoPath);
   
            Content[] contArr = WebServiceClient.getContentService(details).read(new Predicate(new Reference[] { nodeRef }, store, null), Constants.PROP_CONTENT);
            Content content = contArr[0];
            
            is = ContentUtils.getContentAsInputStream(content);
            
         } 
         finally 
         {
            WebServiceClient.endSession(details);
         }
      }
      return is;
   }
   ‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍

Re: Get specific version content

kaynezhang — Wed, 28 May 2014 15:34:01 GMT

It seems there is nothing wrong with your code,plese print out the content url and check what is in it.


System.out.println(content.getUrl());
‍‍‍

Re: Get specific version content

ameenulla — Thu, 29 May 2014 08:23:03 GMT

content url
I am using alfresco 4.2.f, following is content.getUrl()
http://10.0.0.162:8081/alfresco/download/direct/workspace/SpacesStore/21c55ab3-02a4-4fae-9943-f707389b7465/GALogo_Login.png.

file exist in alfresco with this url.

Re: Get specific version content

kaynezhang — Thu, 29 May 2014 09:30:28 GMT

Did you use any proxy Server,for example Apache?
And your log file is trimed ,please upload complete log file.

Re: Get specific version content

ameenulla — Thu, 29 May 2014 10:15:33 GMT

this is my complete log

alfrescoEPhttp://10.0.0.162:8081/alfresco/soapapi
org.alfresco.webservice.util.WebServiceException: Unable to get content as inputStream.
        at org.alfresco.webservice.util.ContentUtils.getContentAsInputStream(ContentUtils.java:139)
        at com.rtq.dms.AlfrescoDmsManagement.fetchFile(AlfrescoDmsManagement.java:215)
        at com.rtq.processinitiator.servlets.downloadServlet.service(downloadServlet.java:41)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
        at sun.reflect.GeneratedMethodAccessor457.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:606)
        at com.liferay.portal.kernel.bean.ClassLoaderBeanHandler.invoke(ClassLoaderBeanHandler.java:67)
        at com.sun.proxy.$Proxy527.doFilter(Unknown Source)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:116)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDirectCallFilter(InvokerFilterChain.java:165)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:96)
        at com.liferay.portal.kernel.servlet.PortalClassLoaderFilter.doFilter(PortalClassLoaderFilter.java:74)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.processDoFilter(InvokerFilterChain.java:204)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilterChain.doFilter(InvokerFilterChain.java:109)
        at com.liferay.portal.kernel.servlet.filters.invoker.InvokerFilter.doFilter(InvokerFilter.java:96)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
        at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
        at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:408)
        at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1023)
        at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
        at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:724)
Caused by: java.lang.NullPointerException
        at org.alfresco.webservice.util.ContentUtils.getContentAsInputStream(ContentUtils.java:132)
        … 34 more‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍

Re: Get specific version content

kaynezhang — Thu, 29 May 2014 11:05:27 GMT

It seems authentication session is null,you can print out authentication detail information ,and see what you get.


System.out.print(AuthenticationUtils.getAuthenticationDetails().getSessionId());
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