alfresco de MySql a PostgreSQL

[tozino]

Hola a todos, quisiera compartir con los foristas la problematica que estoy tratando de resolver, resulta que tengo instalado Alfresco v 3.2 sobre MySql y lo deseo migrar a PostgreSQL manteniendo la misma version de Alfresco(3.2), si alguien lo ha intentado o ya lo logro hacer agradeceria toda la ayuda que me pudiera brindar. Sldos.

[jacosta_ue]

Hola a todos

Tengo ese mismo problema con mi alfresco, actualmente tenemos en mi empresa en produccion la version 2.9b sobre mysql, se desea migrarr a 3.4b sobre postgreesql, que debo hacer para realizar dicha migracion

Cualquier ayuda con gusto sera bien recibida

juan E.

[tozino]

Bueno por lo que veo tu caso es más complicado que el mio, digo esto porque según he estado leyendo en el foro es migrar de una versión de alfresco a otra cuando no son consecutivas da sus porbelmas tambien pero bueno te diré los pasos que me he propuesto hacer para lograr la migración o por lo menos intentarla.

1- Migrar la base de datos a postgresql.
2-Instalar la nueva version de Alfresco.
3- Restaurar la base de datos migrada y despues ejecutar Alfresco.

En estos momentos estoy en el primer paso, espero que te sirva de algo lo que te he mandado y que sigamos compartiendo informacion sobre el tema.

[jacosta_ue]

Hola

he desistido de mi idea de migrar todo el contenido, y por el contrario cree una instalacion limpia sobre postgreesql y he xportado mis contenidos actuales y los importo en la nueva infraestructura, pero me esta generando el siguiente error al momento de visualizar el contenido

A system error happened during the operation: SqlMapClient operation; uncategorized SQLException for SQL []; SQL state [null]; error code [0]; — The error occurred in alfresco/ibatis/#resource.dialect#/node-common-SqlMap.xml. — The error occurred while applying a result map. — Check the alfresco.node.result_NodeProperty. — Check the result mapping for the 'value.serializableValue' property. — Cause: org.alfresco.ibatis.SerializableTypeHandlerCallback$DeserializationException: java.io.StreamCorruptedException: invalid stream header: BB656430; nested exception is com.ibatis.common.jdbc.exception.NestedSQLException: — The error occurred in alfresco/ibatis/#resource.dialect#/node-common-SqlMap.xml. — The error occurred while applying a result map. — Check the alfresco.node.result_NodeProperty. — Check the result mapping for the 'value.serializableValue' property. — Cause: org.alfresco.ibatis.SerializableTypeHandlerCallback$DeserializationException: java.io.StreamCorruptedException: invalid stream header: BB656430
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en mi alfresco.log sale lo siguiente:

WARN : org.springframework.beans.GenericTypeAwarePropertyDescriptor - Invalid JavaBean property 'baseUrl' being accessed! Ambiguous write methods found next to actually used [public void org.alfresco.wcm.client.impl.WebScriptCallerImpl.setBaseUrl(java.net.URI)]: [public void org.alfresco.wcm.client.impl.WebScriptCallerImpl.setBaseUrl(java.lang.String) throws java.net.URISyntaxException]
08:54:32,489 User:jacosta ERROR [ui.common.Utils] A system error happened during the operation: SqlMapClient operation; uncategorized SQLException for SQL []; SQL state [null]; error code [0];   
— The error occurred in alfresco/ibatis/#resource.dialect#/node-common-SqlMap.xml.  
— The error occurred while applying a result map.  
— Check the alfresco.node.result_NodeProperty.  
— Check the result mapping for the 'value.serializableValue' property.  
— Cause: org.alfresco.ibatis.SerializableTypeHandlerCallback$DeserializationException: java.io.StreamCorruptedException: invalid stream header: BB656430; nested exception is com.ibatis.common.jdbc.exception.NestedSQLException:   
— The error occurred in alfresco/ibatis/#resource.dialect#/node-common-SqlMap.xml.  
— The error occurred while applying a result map.  
— Check the alfresco.node.result_NodeProperty.  
— Check the result mapping for the 'value.serializableValue' property.  
— Cause: org.alfresco.ibatis.SerializableTypeHandlerCallback$DeserializationException: java.io.StreamCorruptedException: invalid stream header: BB656430
org.springframework.jdbc.UncategorizedSQLException: SqlMapClient operation; uncategorized SQLException for SQL []; SQL state [null]; error code [0];   
— The error occurred in alfresco/ibatis/#resource.dialect#/node-common-SqlMap.xml.  
— The error occurred while applying a result map.  
— Check the alfresco.node.result_NodeProperty.  
— Check the result mapping for the 'value.serializableValue' property.  
— Cause: org.alfresco.ibatis.SerializableTypeHandlerCallback$DeserializationException: java.io.StreamCorruptedException: invalid stream header: BB656430; nested exception is com.ibatis.common.jdbc.exception.NestedSQLException:   
— The error occurred in alfresco/ibatis/#resource.dialect#/node-common-SqlMap.xml.  
— The error occurred while applying a result map.  
— Check the alfresco.node.result_NodeProperty.  
— Check the result mapping for the 'value.serializableValue' property.  
— Cause: org.alfresco.ibatis.SerializableTypeHandlerCallback$DeserializationException: java.io.StreamCorruptedException: invalid stream header: BB656430
   at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:83)
   at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:80)
   at org.springframework.jdbc.support.AbstractFallbackSQLExceptionTranslator.translate(AbstractFallbackSQLExceptionTranslator.java:80)
   at org.springframework.orm.ibatis.SqlMapClientTemplate.execute(SqlMapClientTemplate.java:203)
   at org.springframework.orm.ibatis.SqlMapClientTemplate.queryForList(SqlMapClientTemplate.java:293)
   at org.alfresco.repo.domain.node.ibatis.NodeDAOImpl.selectNodeProperties(NodeDAOImpl.java:444)
   at org.alfresco.repo.domain.node.AbstractNodeDAOImpl.cacheNodesNoBatch(AbstractNodeDAOImpl.java:3049)
   at org.alfresco.repo.domain.node.AbstractNodeDAOImpl.cacheNodes(AbstractNodeDAOImpl.java:3012)
   at org.alfresco.repo.domain.node.AbstractNodeDAOImpl.cacheNodes(AbstractNodeDAOImpl.java:2981)
   at org.alfresco.repo.domain.node.AbstractNodeDAOImpl$ChildAssocRefBatchingQueryCallback.done(AbstractNodeDAOImpl.java:2500)
   at org.alfresco.repo.domain.node.ibatis.NodeDAOImpl.selectChildAssocsByChildTypes(NodeDAOImpl.java:1083)
   at org.alfresco.repo.domain.node.AbstractNodeDAOImpl.getChildAssocsByChildTypes(AbstractNodeDAOImpl.java:2595)
   at org.alfresco.repo.node.db.DbNodeServiceImpl.getChildAssocs(DbNodeServiceImpl.java:1667)
   at sun.reflect.GeneratedMethodAccessor447.invoke(Unknown Source)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
   at java.lang.reflect.Method.invoke(Method.java:597)
   at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:307)
   at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
   at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
   at org.alfresco.repo.tenant.MultiTNodeServiceInterceptor.invoke(MultiTNodeServiceInterceptor.java:104)
   at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
   at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
   at $Proxy7.getChildAssocs(Unknown Source)
   at sun.reflect.GeneratedMethodAccessor447.invoke(Unknown Source)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
   at java.lang.reflect.Method.invoke(Method.java:597)
   at org.alfresco.repo.service.StoreRedirectorProxyFactory$RedirectorInvocationHandler.invoke(StoreRedirectorProxyFactory.java:215)
   at $Proxy8.getChildAssocs(Unknown Source)
   at sun.reflect.GeneratedMethodAccessor447.invoke(Unknown Source)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
   at java.lang.reflect.Method.invoke(Method.java:597)
   at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:307)
   at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
   at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
   at org.alfresco.repo.node.MLPropertyInterceptor.invoke(MLPropertyInterceptor.java:303)
   at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
   at org.alfresco.repo.node.MLPropertyInterceptor.invoke(MLPropertyInterceptor.java:303)
   at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
   at org.alfresco.repo.node.NodeRefPropertyMethodInterceptor.invoke(NodeRefPropertyMethodInterceptor.java:269)
   at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
   at org.alfresco.repo.node.NodeRefPropertyMethodInterceptor.invoke(NodeRefPropertyMethodInterceptor.java:269)
   at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
   at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
   at $Proxy7.getChildAssocs(Unknown Source)
   at org.alfresco.repo.model.filefolder.FileFolderServiceImpl.listSimple(FileFolderServiceImpl.java:566)
   at org.alfresco.repo.model.filefolder.FileFolderServiceImpl.list(FileFolderServiceImpl.java:308)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
   at java.lang.reflect.Method.invoke(Method.java:597)
   at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:307)
   at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)
   at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)
   at org.alfresco.repo.model.filefolder.TempFileMarkerInterceptor.invoke(TempFileMarkerInterceptor.java:77)
   at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
   at org.alfresco.repo.model.ml.MLContentInterceptor.invoke(MLContentInterceptor.java:125)
   at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
   at org.alfresco.repo.model.filefolder.MLTranslationInterceptor.invoke(MLTranslationInterceptor.java:205)
   at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
   at net.sf.acegisecurity.intercept.method.aopalliance.MethodSecurityInterceptor.invoke(MethodSecurityInterceptor.java:80)
   at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
   at org.alfresco.repo.security.permissions.impl.ExceptionTranslatorMethodInterceptor.invoke(ExceptionTranslatorMethodInterceptor.java:44)
   at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
   at org.alfresco.repo.audit.AuditMethodInterceptor.proceedWithAudit(AuditMethodInterceptor.java:217)
   at org.alfresco.repo.audit.AuditMethodInterceptor.proceed(AuditMethodInterceptor.java:184)
   at org.alfresco.repo.audit.AuditMethodInterceptor.invoke(AuditMethodInterceptor.java:137)
   at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
   at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:107)
   at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
   at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
   at $Proxy72.list(Unknown Source)
   at org.alfresco.web.bean.BrowseBean.queryBrowseNodes(BrowseBean.java:899)
   at org.alfresco.web.bean.BrowseBean.getNodes(BrowseBean.java:505)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
   at java.lang.reflect.Method.invoke(Method.java:597)
   at org.apache.myfaces.el.PropertyResolverImpl.getProperty(PropertyResolverImpl.java:457)
   at org.apache.myfaces.el.PropertyResolverImpl.getValue(PropertyResolverImpl.java:85)
   at org.apache.myfaces.el.ELParserHelper$MyPropertySuffix.evaluate(ELParserHelper.java:535)
   at org.apache.commons.el.ComplexValue.evaluate(ComplexValue.java:145)
   at org.apache.myfaces.el.ValueBindingImpl.getValue(ValueBindingImpl.java:386)
   at org.alfresco.web.ui.common.component.data.UIRichList.getValue(UIRichList.java:151)
   at org.alfresco.web.ui.common.component.data.UIRichList.getDataModel(UIRichList.java:512)
   at org.alfresco.web.ui.common.component.data.UIRichList.bind(UIRichList.java:448)
   at org.alfresco.web.ui.common.renderer.data.RichListRenderer.encodeChildren(RichListRenderer.java:77)
   at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:527)
   at javax.faces.webapp.UIComponentTag.encodeChildren(UIComponentTag.java:483)
   at javax.faces.webapp.UIComponentTag.doEndTag(UIComponentTag.java:364)
   at org.apache.jsp.jsp.browse.browse_jsp._jspx_meth_a_005frichList_005f0(browse_jsp.java:2822)
   at org.apache.jsp.jsp.browse.browse_jsp._jspx_meth_a_005fpanel_005f5(browse_jsp.java:2710)
   at org.apache.jsp.jsp.browse.browse_jsp._jspService(browse_jsp.java:868)
   at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
   at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:377)
   at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
   at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
   at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
   at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
   at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)
   at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
   at org.apache.myfaces.context.servlet.ServletExternalContextImpl.dispatch(ServletExternalContextImpl.java:419)
   at org.apache.myfaces.application.jsp.JspViewHandlerImpl.renderView(JspViewHandlerImpl.java:211)
   at org.apache.myfaces.lifecycle.RenderResponseExecutor.execute(RenderResponseExecutor.java:41)
   at org.apache.myfaces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:132)
   at javax.faces.webapp.FacesServlet.service(FacesServlet.java:140)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
   at org.alfresco.web.app.servlet.AuthenticationFilter.doFilter(AuthenticationFilter.java:104)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
   at java.lang.reflect.Method.invoke(Method.java:597)
   at org.alfresco.repo.management.subsystems.ChainingSubsystemProxyFactory$1.invoke(ChainingSubsystemProxyFactory.java:116)
   at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
   at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
   at $Proxy233.doFilter(Unknown Source)
   at org.alfresco.repo.web.filter.beans.BeanProxyFilter.doFilter(BeanProxyFilter.java:82)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
   at org.alfresco.repo.web.filter.beans.NullFilter.doFilter(NullFilter.java:68)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
   at java.lang.reflect.Method.invoke(Method.java:597)
   at org.alfresco.repo.management.subsystems.ChainingSubsystemProxyFactory$1.invoke(ChainingSubsystemProxyFactory.java:116)
   at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
   at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)
   at $Proxy233.doFilter(Unknown Source)
   at org.alfresco.repo.web.filter.beans.BeanProxyFilter.doFilter(BeanProxyFilter.java:82)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
   at org.alfresco.web.app.servlet.GlobalLocalizationFilter.doFilter(GlobalLocalizationFilter.java:58)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
   at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
   at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
   at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
   at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
   at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
   at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
   at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:859)
   at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:579)
   at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1555)
   at java.lang.Thread.run(Thread.java:619)
Caused by: com.ibatis.common.jdbc.exception.NestedSQLException:   
— The error occurred in alfresco/ibatis/#resource.dialect#/node-common-SqlMap.xml.  
— The error occurred while applying a result map.  
— Check the alfresco.node.result_NodeProperty.  
— Check the result mapping for the 'value.serializableValue' property.  
— Cause: org.alfresco.ibatis.SerializableTypeHandlerCallback$DeserializationException: java.io.StreamCorruptedException: invalid stream header: BB656430
   at com.ibatis.sqlmap.engine.mapping.statement.MappedStatement.executeQueryWithCallback(MappedStatement.java:204)
   at com.ibatis.sqlmap.engine.mapping.statement.MappedStatement.executeQueryForList(MappedStatement.java:139)
   at com.ibatis.sqlmap.engine.impl.SqlMapExecutorDelegate.queryForList(SqlMapExecutorDelegate.java:567)
   at com.ibatis.sqlmap.engine.impl.SqlMapExecutorDelegate.queryForList(SqlMapExecutorDelegate.java:541)
   at com.ibatis.sqlmap.engine.impl.SqlMapSessionImpl.queryForList(SqlMapSessionImpl.java:118)
   at org.springframework.orm.ibatis.SqlMapClientTemplate$3.doInSqlMapClient(SqlMapClientTemplate.java:295)
   at org.springframework.orm.ibatis.SqlMapClientTemplate$3.doInSqlMapClient(SqlMapClientTemplate.java:1)
   at org.springframework.orm.ibatis.SqlMapClientTemplate.execute(SqlMapClientTemplate.java:200)
   … 144 more
Caused by: org.alfresco.ibatis.SerializableTypeHandlerCallback$DeserializationException: java.io.StreamCorruptedException: invalid stream header: BB656430
   at org.alfresco.ibatis.SerializableTypeHandlerCallback.getResult(SerializableTypeHandlerCallback.java:82)
   at com.ibatis.sqlmap.engine.type.CustomTypeHandler.getResult(CustomTypeHandler.java:52)
   at com.ibatis.sqlmap.engine.mapping.result.ResultMap.getPrimitiveResultMappingValue(ResultMap.java:619)
   at com.ibatis.sqlmap.engine.mapping.result.ResultMap.getResults(ResultMap.java:345)
   at com.ibatis.sqlmap.engine.execution.SqlExecutor.handleResults(SqlExecutor.java:428)
   at com.ibatis.sqlmap.engine.execution.SqlExecutor.handleMultipleResults(SqlExecutor.java:344)
   at com.ibatis.sqlmap.engine.execution.SqlExecutor.executeQuery(SqlExecutor.java:233)
   at com.ibatis.sqlmap.engine.mapping.statement.MappedStatement.sqlExecuteQuery(MappedStatement.java:221)
   at com.ibatis.sqlmap.engine.mapping.statement.MappedStatement.executeQueryWithCallback(MappedStatement.java:189)
   … 151 more
Caused by: java.io.StreamCorruptedException: invalid stream header: BB656430
   at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:783)
   at java.io.ObjectInputStream.<init>(ObjectInputStream.java:280)
   at org.alfresco.ibatis.SerializableTypeHandlerCallback.getResult(SerializableTypeHandlerCallback.java:75)
   … 159 more

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Por favor alguien que me ayude con este problemon que tengo, ya que no me deja visualizar ningun archivo contenido en espacios

de antemano GRACIAS