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Here are the versions I've tested: NetBeans 5.0 on Sun JDK 5.0 update 7, 8, and 9 NetBeans 5.5beta2 on Sun JDK 5.0 update 7, 8, and 9. All versions report the exact same error. The NetBeans log looks just fine, and the splash screen displays, then there is the NetBeans window with title and icon in titlebar, but the UI itself is blank. I can tell there are working buttons under the blank UI because the cursor changes to a hand when I mouseover them. If I click the correct button I get a dialog box that says "Cannot execute mozilla..." which displays correctly (I have firefox, but not mozilla or seamonkey suite installed). Here is the only error I can produce: [hollywoodb@hb-130 ~]$ /opt/netbeans-5.5beta2/bin/netbeans java.net.UnknownHostException: hb-130.fedora: hb-130.fedora at java.net.InetAddress.getLocalHost(InetAddress.java:1308) at org.netbeans.CLIHandler.initialize(CLIHandler.java:487) at org.netbeans.CLIHandler.initialize(CLIHandler.java:291) at org.netbeans.Main.execute(Main.java:161) at org.netbeans.Main.main(Main.java:48) [hollywoodb@hb-130 ~]$ I am running Fedora Core 6 test3, I have had this issue throughout the duration of the FC6 test series, and now with FC6 release about two weeks away I have not been able to resolve this issue, I've tried: various kernels, various versions of NetBeans, various versions of Sun JDK 5.0, completely disabling SELinux, letting SELinux do a filesystem relabel post-install of JDK and NetBeans, attempting to run netbeans as a newly created (unmodified) user, attemptint to run NetBeans as root. Always the same error as pasted above. I can provide additional info as needed, just let me know what is needed. Thanks.
I fixed the unknown host error by adding: 127.0.0.1 hb-130.fedora hb-130 # 127.0.0.1 localhost.localdomian localhost to /etc/hosts Now I get no errors at all, but still a blank UI. I've managed to click around and open a few dialogs, like the new project dialog, but no matter what I do the main window is still a blank window with a proper titlebar/window decor.
Alright I jumped the gun a little on this report, after banging my head for a while today I decided why not run NetBeans under openbox in an Xnest? Well NetBeans worked fine. The difference: AIGLX/Compiz. Both NetBeans and Oracle's JDevelop suffer from a blank UI with AIGLX/Compiz enabled. Both work fine with it disabled. So I've found the culprit and would be willing to offer up whatever I can if someone would like to work on this issue.
Should CLIHandler be more fail safe?
Turning AIGLX effects off and on again, in Fedora Core 6 makes the window reappear. The java version used was: java version "1.6.0-rc" Java(TM) SE Runtime Environment (build 1.6.0-rc-b104) Java HotSpot(TM) Client VM (build 1.6.0-rc-b104, mixed mode, sharing) The JDK demo and other java programs runs without problems, so the problem seam to be related to Netbeans rather than the prerelease java.
this is duplicate of issue 76641 Look at that issue, there some hints and probably it will work for you as well: 1. removed 2 lines from file 'netbeans-5.0/platform6/lib/nbexec'. J2D_PIXMAPS=shared export J2D_PIXMAPS 2. AWT_TOOLKIT=MToolkit in the environment fixes this Please let us know which one works for you. Thanks in advance. *** This issue has been marked as a duplicate of 76641 ***
Setting AWT_TOOLKIT=MToolkit in the environment helps, but is not enough. You will also need to have the library libXp.so.6. Unfortunately this is part of the xorg-x11-deprecated-libs package that no longer ships with Fedora Core 6, and some other modern Linux distros. Fedora Core 4 still contained libXp.so.6.2, so I copied that and made a symbolic link, and now it works. Other java apps seam to work, so preferably this should work out of the box.
*** Issue 102423 has been marked as a duplicate of this issue. ***