Project |
DSpace ClientUI built on RESTful API |
Student |
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Mentors |
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Technologies |
DSpace REST |
Proposal |
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Location for project |
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Notes |
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Ready |
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Base done, Improvement phase |
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In Progress |
Mark: I would like to see a bit more dialog with Bojan concerning the REST API contracts and migration to Spring, mainly, are we happy with these API contracts and using them for the students project, or do we need to consider some possible changes int he API to adopt to using Spring REST instead of Entity Broker. And if so, is there a timeline for providing those changes in scope of the 1.8 release? Vibhaj: Confirmed that the possible migration shall not affect the REST interface and hence RestClient project. |
(/) Decide the JavaScript Library to be used by discussing with the DSpace community: *jQuery* \[decided by community\] |
Timeline shall be completed as project progresses ...
{*}1. \[ 04 Jun 2011 \] I am not getting the community logo using the URL /communities/\{id\}/logo{*} |
Solved : /bitstream/{community.logo.id}/receive
{*}2. \[ 05 Jun 2011 \] While working with REST module, I found that after making many requests while testing for some time, I get the following exception and then the module does not give correct results for further requests. Kindly look into the issue and inform me if the error is occurring due to some mistake from my side.* |
org.postgresql.util.PSQLException: This statement has been closed. at org.postgresql.jdbc2.AbstractJdbc2Statement.checkClosed(AbstractJdbc2Statement.java:2424) at org.postgresql.jdbc2.AbstractJdbc2Statement.setInt(AbstractJdbc2Statement.java:1147) at org.apache.commons.dbcp.DelegatingPreparedStatement.setInt(DelegatingPreparedStatement.java:120) at org.apache.commons.dbcp.DelegatingPreparedStatement.setInt(DelegatingPreparedStatement.java:120) at org.apache.commons.dbcp.DelegatingPreparedStatement.setInt(DelegatingPreparedStatement.java:120) at org.dspace.storage.rdbms.DatabaseManager.loadParameters(DatabaseManager.java:1558) at org.dspace.storage.rdbms.DatabaseManager.queryTable(DatabaseManager.java:223) at org.dspace.storage.rdbms.DatabaseManager.querySingleTable(DatabaseManager.java:366) at org.dspace.storage.rdbms.DatabaseManager.findByUnique(DatabaseManager.java:514) at org.dspace.storage.rdbms.DatabaseManager.find(DatabaseManager.java:476) at org.dspace.eperson.Group.find(Group.java:684) at org.dspace.content.Collection.groupFromColumn(Collection.java:1315) at org.dspace.content.Collection.<init>(Collection.java:134) at org.dspace.content.Collection.findAll(Collection.java:319) at org.dspace.rest.providers.CollectionsProvider.getEntities(CollectionsProvider.java:229) at org.sakaiproject.entitybus.impl.EntityBrokerManagerImpl.internalGetEntities(EntityBrokerManagerImpl.java:550) at org.sakaiproject.entitybus.impl.EntityBrokerManagerImpl.getEntitiesData(EntityBrokerManagerImpl.java:402) at org.sakaiproject.entitybus.rest.EntityHandlerImpl.handleEntityAccess(EntityHandlerImpl.java:563) at org.sakaiproject.entitybus.util.servlet.DirectServlet.dispatch(DirectServlet.java:186) at org.sakaiproject.entitybus.util.servlet.DirectServlet.handleRequest(DirectServlet.java:157) at org.sakaiproject.entitybus.util.servlet.DirectServlet.service(DirectServlet.java:130) at javax.servlet.http.HttpServlet.service(HttpServlet.java:722) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:164) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:462) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:562) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:395) at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:306) at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:323) at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:1719) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:662) INFO: EntityEncodingManager: No entities to format (json) and output for ref (/collections) WARN Could not process entity: /collections/2 (404)[null]: Attempted to access an entity URL path (/collections/2.json) for an entity (/collections/2) that does not exist |