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| − | Invariably, with several hundred thousand downloads of Eclipse every month,
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| − | Eclipse does not start at all for a few users . These failures
| + | One of the presentations (not written yet) is about OHF on Server. More information will be posted in the Wiki in the following days. |
| − | typically stem from software configuration problems on the host machine
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| − | or an unusual hardware configuration. If you are already a power Eclipse
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| − | user, you might be tempted to skip this question. However, even the most
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| − | advanced Eclipse user will occasionally have problems starting an Eclipse
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| − | build. So, with a nod to David Letterman, here
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| − | is a “top ten” list of the most common start-up problems, along
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| − | with suggestions for solutions.
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| − | | + | * [[Media:OHF on Server F2F.ppt | OHF bridge presentation]] |
| − | * ''Cannot find a VM''. Eclipse requires a JVM to run | + | |
| − | and does not
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| − | include one in the download. You need to grab a VM yourself; the
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| − | Eclipse downloads page has pointers to where you can get one.
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| − | You may have a VM, but Eclipse cannot find it. To avoid possible
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| − | conflicts, always specify the VM you are using with the <tt>-vm</tt>
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| − | command-line argument.</li>
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| − | * ''Bad VM''. All versions of the Eclipse Platform require
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| − | at least a JDK 1.3 VM. Eclipse 3.0 requires a 1.4 VM. The Sun 1.4.0 VM
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| − | is known to be flaky, so you are best off with a recent 1.4.2 VM.
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| − | Also, you may not get much sympathy from Eclipse if you are using a home-grown
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| − | or experimental JVM. Use a reputable VM. If you run into trouble,
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| − | always try a VM from a major distributor and see whether the problem goes away.
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| − | </li>
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| − | * ''Unsupported platform''. Make sure that
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| − | the architecture and the operating
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| − | system of your machine match one of the supported systems
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| − | described in the file <tt>readme_eclipse.html</tt>. Eclipse will not run on Windows 95 or
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| − | Commodore 64, for example. If your machine does not match one
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| − | of the configurations
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| − | described in the readme, it may still run, but you are on your own!</li>
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| − | * ''Lack of appropriate native widget toolkit''. If you download, for
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| − | example, the GTK version of Eclipse, then you need to make sure
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| − | that you have GTK (GTK+ 2.1.1 or higher) on your computer and that it is
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| − | correctly installed.</li>
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| − | * ''Incorrectly unzipped''. Believe it or not, about once a month, a user
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| − | reports start-up failure: The user has unzipped Eclipse without selecting the
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| − | use folder names option. Make sure that the result of unzipping
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| − | is an install tree with an <tt>eclipse</tt> directory at its root.
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| − | The Ark unzip utility in KDE is known to mangle Eclipse zips, so use
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| − | a different unzip program to install there.</li>
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| − | * ''New Eclipse unzipped on top of older Eclipse''. Do not do this. Either
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| − | install Eclipse in a brand new directory or use the Eclipse Update Manager
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| − | to upgrade an older Eclipse. You can still keep your old workspace. Look
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| − | in the Eclipse <tt>readme</tt> file for more details.</li>
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| − | * ''Buggy build''. It is not always user error. Some integration builds, and
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| − | even the odd stable build, will have start-up problems under certain
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| − | configurations that were not well tested. For example, build 3.0M6
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| − | would fail to start up if you restarted with an old workspace after
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| − | unzipping new plug-ins into the <tt>plugins</tt> directory.
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| − | If you are a new user,
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| − | always start with the most recent official Eclipse release to be sure
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| − | you are using the “least buggy” version possible.
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| − | For more advanced users willing to accept less stable builds,
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| − | consult Bugzilla to see if your particular start-up problem has
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| − | already been reported. </li>
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| − | * ''Xerces problem''. Prior to Eclipse 3.0, Eclipse used a version of Xerces
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| − | for parsing XML files, but certain distributions of 1.4 JVMs included a
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| − | different version of Xerces with the same package names. This
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| − | should not be a problem with Eclipse 3.0 or higher. See
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| − | FAQ 108 for more details.</li>
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| − | * ''Disk full or out of memory''. Eclipse, especially 2.1 and earlier, does
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| − | not always gracefully report disk-full errors or out-of-memory errors.
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| − | Make sure that you have adequate disk space and that you are giving
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| − | the Java VM enough heap space. See FAQ 26 for details.</li>
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| − | * ''None of the preceding''. When all else fails, try asking on the eclipse.platform
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| − | newsgroup. Be extremely specific about what operating system, VM,
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| − | Eclipse build, hardware, and so on, you are running. Attach any error details
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| − | that you have found in the Eclipse error log. You will find, especially on
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| − | Linux and Mac, where configuration can be a lot more complicated, that
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| − | the community is fairly helpful in getting new users going and will
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| − | generally make an effort in proportion to the effort they perceive
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| − | that you have made. You are almost guaranteed
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| − | to get no response if you simply say, “Eclipse will not start.”
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| − | If a well-described newsgroup post does not get any response, enter
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| − | a bug report.</li>
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| − | == See Also: ==
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| − | [[FAQ_How_do_I_increase_the_heap_size_available_to_Eclipse%3F]]
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| − | [[FAQ_Why_doesn%26%23146%3Bt_Eclipse_play_well_with_Xerces%3F]]
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One of the presentations (not written yet) is about OHF on Server. More information will be posted in the Wiki in the following days.
