Hi,
The code looks good to me. Maybe you are using versioning, so the old
binaries are still referenced?
Regards,
Thomas
On 27/08/14 09:43, "Vikram Vaswani" <vikram.vasw...@loudcloudsystems.com>
wrote:
>Hi all
>
>
>I have a Jackrabbit 2.8.0 setup and am using MySQL as the backend for the
>data store, versioning etc. Our repository is quite active with 100+
>documents being added daily. When a new document is added, I can see that
>a new record is also added to the datastore table in MySQL
>
>
>I am trying to find a way to have Jackrabbit automatically delete unused
>(relating to deleted content) records from the datastore table. I have
>read about Jackrabbit's garbage collection and I created a servlet to try
>and use this.
>
>
>Despite my best efforts however, when I run the servlet code there is no
>removal of records from the datastore table, even though I know for a
>fact that there are a high number of records referencing
>previously-deleted docs.
>
>
>My servlet code is below, runs on Tomcat, please could you help me
>identify what I might be doing wrong?
>
>
>@WebServlet("/GCServlet")
>public class GCServlet extends HttpServlet {
>
> private static org.apache.log4j.Logger logger =
>org.apache.log4j.Logger.getLogger(GCServlet.class);
> private static final long serialVersionUID = 1L;
> private List<RepositoryManager> repositoryManagers;
> /**
> * @see HttpServlet#HttpServlet()
> */
> public GCServlet() {
> super();
> // TODO Auto-generated constructor stub
> }
>
> /**
> * Runs the garbage collector for the given RepositoryManagers. If
>multiple
> * repositories use the same data store, give all RepositoryManagers
>in the
> * parameter list.
> *
> * @param rms
> * @throws RepositoryException
> */
> @SuppressWarnings(value="DM_GC")
> private int runDataStoreGarbageCollector(OutputStream out)
> throws RepositoryException {
> int result = 0;
> JackrabbitRepositoryFactory rf = new RepositoryFactoryImpl();
> Properties prop = new Properties();
> ServletContext servletContext = getServletContext();
> String path = servletContext.getRealPath(".");
> System.out.println("Real Path =>"+path);
> prop.setProperty("org.apache.jackrabbit.repository.home",
>"/opt/jackrabbit");
> prop.setProperty("org.apache.jackrabbit.repository.conf",
>"/opt/jackrabbit/repository.xml");
> JackrabbitRepository rep = (JackrabbitRepository)
>rf.getRepository(prop);
> // need to login to start the repository
> Session session = rep.login(new SimpleCredentials("admin",
>"admin".toCharArray()));
> RepositoryManager rm = rf.getRepositoryManager(rep);
> DataStoreGarbageCollector gc =
>rm.createDataStoreGarbageCollector();
> try {
> gc.mark();
> gc.sweep();
>
> } finally {
> gc.close();
> }
>
> session.logout();
> rm.stop();
> return result;
> }
>
> /**
> * @see HttpServlet#doGet(HttpServletRequest request,
>HttpServletResponse response)
> */
> protected void doGet(HttpServletRequest request, HttpServletResponse
>response) throws ServletException, IOException {
> String gcEnabled = request.getParameter("gcExecute");
> System.out.println("gcEnabled=="+gcEnabled+" length =
>"+gcEnabled.length());
> response.setContentType("text/html");
> OutputStream outputStream = response.getOutputStream();
> outputStream.write("<html><body>Starting Garbage Collection
><p/>".getBytes());
> if (gcEnabled.equals("1")) {
> try {
> int result = runDataStoreGarbageCollector(outputStream);
> outputStream.write(result);
>
> } catch (RepositoryException e) {
> // TODO Auto-generated catch block
> e.printStackTrace();
> logger.error(e);
> }finally {
> outputStream.close();
> }
> }
> outputStream.write("</body></html>".getBytes());
> outputStream.flush();
> }
>
>
>I have also attached the relevant section of the Tomcat log file.
>
>
>Vikram
>
>
>
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