For experienced users only, here is the quick version of the installation instructions. Most users will want to read the more detailed version, below.
Check that your system meets the minimum requirements (web server, PHP5 (do not use 5.3.1), and either MySQL4 (and later) or PostgreSQL 8.1 (and later)).
Download MediaWiki (direct link to latest version) and extract the archive to a web-accessible folder on your server.
Point your browser to the config directory (e.g., http://localhost/mediawiki/config/index.php).
Follow the on-screen instructions to complete the process.
These instructions are deliberately brief. There is a lot that could go wrong, so if in any doubt, you are advised to read the full instructions below.
[edit]Main installation guide

Before installation
Read what MediaWiki is
Check the MediaWiki feature list
Installation requirements - Check these before going any further!
Installing MediaWiki
Configuring MediaWiki:
Initial configuration (using the configuration script)
Further configuration
Installing extensions

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I just installed 8.6 and but get the following error when trying to publish my project which wokrs fine in 8.5

Im using jsk 5, tomcat 5.5.28, jsf 1.2 and Trinidad///


Error calling delegate publish() Tomcat v5.5 Server at localhost

java.lang.NullPointerException
at org.eclipse.core.runtime.Path.<init>(Path.java:153)
at org.eclipse.wst.web.internal.deployables.ComponentDeployable.addUtilMember(ComponentDeployable.java:366)
at org.eclipse.jst.j2ee.internal.deployables.J2EEFlexProjDeployable.addUtilMember(J2EEFlexProjDeployable.java:160)
at org.eclipse.wst.web.internal.deployables.ComponentDeployable.addUtilMembers(ComponentDeployable.java:354)
at org.eclipse.jst.j2ee.internal.deployables.J2EEFlexProjDeployable.members(J2EEFlexProjDeployable.java:256)
at org.eclipse.wst.server.core.internal.ModulePublishInfo.fillCache(ModulePublishInfo.java:285)
at org.eclipse.wst.server.core.internal.ModulePublishInfo.getDelta(ModulePublishInfo.java:355)
at org.eclipse.wst.server.core.internal.ServerPublishInfo.getDelta(ServerPublishInfo.java:368)
at org.eclipse.wst.server.core.internal.Server.getPublishedResourceDelta(Server.java:1363)
at org.eclipse.wst.server.core.model.ServerBehaviourDelegate.getPublishedResourceDelta(ServerBehaviourDelegate.java:653)
at org.eclipse.jst.server.tomcat.core.internal.TomcatServerBehaviour.getPublishedResourceDelta(TomcatServerBehaviour.java:896)
at org.eclipse.wst.server.core.model.ServerBehaviourDelegate.publish(ServerBehaviourDelegate.java:822)
at org.eclipse.wst.server.core.model.ServerBehaviourDelegate.publish(ServerBehaviourDelegate.java:708)
at org.eclipse.wst.server.core.internal.Server.publishImpl(Server.java:2731)
at org.eclipse.wst.server.core.internal.Server$PublishJob.run(Server.java:278)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)

eclipse.buildId=unknown
java.version=1.6.0_13
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=en_US
Command-line arguments: -os win32 -ws win32 -arch x86

Jean,

Can you answer below queries -
1. Can you copy and paste the installation details of ME 8.5 and 8.6. Open MyEclipse IDE, from menu options click on MyEclipse > Installation Summary > Installation Details.
2. Can you remove the deployment.
3. Perform -clean. Refer - http://www.myeclipseide.com/PNphpBB2-viewtopic-t-10280.html
4. Add the deployment
5. You mention that you have setup JDK 5. Is this your default JDK? If not, do the following - go to Window > Preferences > Java > Installed JREs. Add JDK 1.5 and set as default.

In case this issue persists, can you look into the problems tab and check what is the issue reported? Also look into your .log file and check for relevant issues logged. Your .log file is located at [your workspace]/.metadata/.log. Can you elaborate on what is the type of project, and the detailed steps so that I can replicate this issue at my end?

Thank you Joy. Here is the infor requested.
I did clean and redeploy and made sure that JDK 5 was the default...


8.5 installation details
*** Date:
Tuesday, October 19, 2010 8:01:45 AM MDT

** System properties:
OS=WindowsXP
OS version=5.1.0
Java version=1.6.0_13


*** MyEclipse details:
MyEclipse Enterprise Workbench
Version: 8.5
Build id: 8.5-20100319


*** Eclipse details:
MyEclipse Enterprise Workbench

Version: 8.5
Build id: 8.5-20100319






Eclipse startup command=-os
win32
-ws
win32
-arch
x86
-showsplash
-launcher
Z:\Genuitec\MyEclipse 8.5\MyEclipse.exe
-name
MyEclipse
--launcher.library
Z:\Genuitec\MyEclipse 8.5\../Common/plugins/org.eclipse.equinox.launcher.win32.win32.x86_1.0.200.v20090519\eclipse_1206.dll
-startup
Z:\Genuitec\MyEclipse 8.5\../Common/plugins/org.eclipse.equinox.launcher_1.0.201.R35x_v20090715.jar
-install
Z:/Genuitec/MyEclipse 8.5
-configuration
configuration
-vm
Z:/Genuitec/Common/binary/com.sun.java.jdk.win32.x86_1.6.0.013/jre/bin/client/jvm.dll


8.6 installation details
*** Date:
Tuesday, October 19, 2010 8:04:28 AM MDT

** System properties:
OS=WindowsXP
OS version=5.1.0
Java version=1.6.0_13


*** MyEclipse details:
MyEclipse Enterprise Workbench
Version: 8.6
Build id: 8.6-20100723


*** Eclipse details:
MyEclipse Enterprise Workbench

Version: 8.6
Build id: 8.6-20100723






Eclipse startup command=-os
win32
-ws
win32
-arch
x86
-showsplash
-launcher
Z:\Genuitec\MyEclipse-8.6\MyEclipse.exe
-name
MyEclipse
--launcher.library
Z:\Genuitec\MyEclipse-8.6\../Common/plugins/org.eclipse.equinox.launcher.win32.win32.x86_1.0.200.v20090519\eclipse_1206.dll
-startup
Z:\Genuitec\MyEclipse-8.6\../Common/plugins/org.eclipse.equinox.launcher_1.0.201.R35x_v20090715.jar
-install
D:/Users/flxnb/Development/Genuitec/MyEclipse-8.6
-vm
D:/Users/flxnb/Development/Genuitec/Common/binary/com.sun.java.jdk.win32.x86_1.6.0.013/jre/bin/client/jvm.dll

Quote:

Version: 8.6 Build id: 8.6-20100723

I notice that you are on an old build. I would recommend you to do update your ME8.6. This update is available from Help > MyEclipse Configuration Center > Dashboard tab > software updates. click on "Apply Changes" to get the new update.
Please verify the build-id is updated as
Version: 8.6
Build id: 8.6-20100806
Let me know the issue still persists.

Steiners,

Can you instead open a new forum thread? Your post is not relevant to the current topic. I would recommend you go through - http://www.myeclipseide.com/module-htmlpages-display-pid-7.html