Oops! I just found how to add Jackrabbit as a favorite :">
-Behi
behrangsa wrote:
>
> Hi,
>
> Compile and run the following class:
>
> /*
> * Created by Behrang Saeedzadeh
> * on Sep 29, 2006 @ 5:30:34 PM
> */
> package org.behrang.practice.jsr170;
>
> import org.apache.jackrabbit.core.TransientRepository;
>
> import javax.jcr.*;
> import java.util.ArrayList;
> import java.util.List;
>
> /**
> * @author Behrang Saeedzadeh
> */
> public class Main {
>
> public static void main(String[] args) throws Exception {
>
> final int BLOG_COUNT = 100;
>
> Repository rep = new TransientRepository();
>
> Session s = rep.login(new SimpleCredentials("username",
> "password".toCharArray()));
> Node blogs = s.getRootNode().addNode("blogs");
> s.save();
>
> for (int i = 0; i < BLOG_COUNT; i++) {
> Node blog = blogs.addNode("blog" + i);
> System.out.println(blog.getPath());
> }
>
> s.save();
> s.logout();
>
> List<Session> sessions = new ArrayList<Session>(BLOG_COUNT);
>
> for (int i = 0; i < BLOG_COUNT; i++) {
> Session sess = rep.login(new SimpleCredentials("User " + i,
> "password".toCharArray()));
> sessions.add(sess);
> System.out.println(i);
> }
>
> {
> int id = 0;
> for (Session sess : sessions) {
> new Thread(new UserThread(sess, id++)).start();
> }
> }
>
> }
>
> }
>
> class UserThread implements Runnable {
>
> private static final int POST_COUNT = 20;
>
> private Session session;
> private long start;
> private long end;
> private String user;
> private int id;
>
>
> public UserThread(Session session, int id) {
> this.session = session;
> this.user = session.getUserID();
> this.id = id;
> }
>
> public void run() {
> System.out.println("Started: " + id);
> start = System.currentTimeMillis();
> try {
> Node blogRoot =
> session.getRootNode().getNode("blogs").getNode("blog" + id);
> for (int i = 0; i < POST_COUNT; i++) {
> Node post = blogRoot.addNode("post" + i);
> post.setProperty("title", "Title " + i);
> post.setProperty("body", "Body" + i);
> }
>
> session.save();
> session.logout();
> end = System.currentTimeMillis();
> System.out.println(user + " finished its job at " + (end -
> start) / 1000d);
> } catch (RepositoryException re) {
> re.printStackTrace();
> }
> }
> }
>
> Now, change the value of BLOG_COUNT to 20 and rerun the class. When I do
> this, I get 20 exceptions:
>
> javax.jcr.PathNotFoundException: blog11
> at org.apache.jackrabbit.core.NodeImpl.getNode(NodeImpl.java:2369)
> at org.behrang.practice.jsr170.UserThread.run(Main.java:76)
> at java.lang.Thread.run(Thread.java:595)
> javax.jcr.PathNotFoundException: blog10
> at org.apache.jackrabbit.core.NodeImpl.getNode(NodeImpl.java:2369)
> at org.behrang.practice.jsr170.UserThread.run(Main.java:76)
> at java.lang.Thread.run(Thread.java:595)
> javax.jcr.PathNotFoundException: blog12
> at org.apache.jackrabbit.core.NodeImpl.getNode(NodeImpl.java:2369)
> at org.behrang.practice.jsr170.UserThread.run(Main.java:76)
> at java.lang.Thread.run(Thread.java:595)
> javax.jcr.PathNotFoundException: blog13
> at org.apache.jackrabbit.core.NodeImpl.getNode(NodeImpl.java:2369)
> at org.behrang.practice.jsr170.UserThread.run(Main.java:76)
> at java.lang.Thread.run(Thread.java:595)
> javax.jcr.PathNotFoundException: blog14
> at org.apache.jackrabbit.core.NodeImpl.getNode(NodeImpl.java:2369)
> at org.behrang.practice.jsr170.UserThread.run(Main.java:76)
> at java.lang.Thread.run(Thread.java:595)
> javax.jcr.PathNotFoundException: blog15
> at org.apache.jackrabbit.core.NodeImpl.getNode(NodeImpl.java:2369)
> at org.behrang.practice.jsr170.UserThread.run(Main.java:76)
> at java.lang.Thread.run(Thread.java:595)
> javax.jcr.PathNotFoundException: blog16
> at org.apache.jackrabbit.core.NodeImpl.getNode(NodeImpl.java:2369)
> at org.behrang.practice.jsr170.UserThread.run(Main.java:76)
> at java.lang.Thread.run(Thread.java:595)
> javax.jcr.PathNotFoundException: blog17
> at org.apache.jackrabbit.core.NodeImpl.getNode(NodeImpl.java:2369)
> at org.behrang.practice.jsr170.UserThread.run(Main.java:76)
> at java.lang.Thread.run(Thread.java:595)
> Started: 18
> Started: 19
> javax.jcr.PathNotFoundException: blog18
> at org.apache.jackrabbit.core.NodeImpl.getNode(NodeImpl.java:2369)
> at org.behrang.practice.jsr170.UserThread.run(Main.java:76)
> at java.lang.Thread.run(Thread.java:595)
> javax.jcr.PathNotFoundException: blog19
> at org.apache.jackrabbit.core.NodeImpl.getNode(NodeImpl.java:2369)
> at org.behrang.practice.jsr170.UserThread.run(Main.java:76)
> at java.lang.Thread.run(Thread.java:595)
>
> If I delete the repository directory and repository.xml and derby.log and
> rerun the program, the exceptions fade away...
>
> Could someone please confirm this bug?
>
> Tested against Jackrabbit 1.0.1
>
> BTW - How can I add Jackrabbitto my Favorite Forums in Nabble.com!?
>
> -Behi
>
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