I am running Eclipse Kepler (4.3.2.M20140221-1700) (64 bit) on Ubuntu 12.04 (64 bit) with openjdk-jdk / jre (7u51-2.4.4-0ubuntu0.12.04.2) installed.
I installed PyDev for Eclipse (3.3.3.201401272249) through the Eclipse Marketplace, but it does not seem to appear when restarting Eclipse. In addition, although I see a plugin installed under “installed software” in my settings, it is not listed in the “plugins” section.
This initially sounds like a duplicate of the extremely common problem that occurs when eclipse does not start with Java 7 ( PyDev.org , PyDev does not appear in eclipse , ... Python does not appear in the settings window , Pydev is not recognized in the eclipse ), but I excluded opportunity using numerous methods that describe these other issues.
I confirmed that my installation uses Java 7, checking both my java alternatives and my eclipse configuration information.
$ update-java-alternatives -l
java-1.7.0-openjdk-amd64 1051 /usr/lib/jvm/java-1.7.0-openjdk-amd64
I looked at the Eclipse tab "Installation Details → Configuration" to find out which version of java is being used (as a health check regarding the JRE, although this was unlikely for Kepler stocks). The following lines make me think that System java was used (and therefore the only alternative above):
java.home=/usr/lib/jvm/java-7-openjdk-amd64/jre
java.io.tmpdir=/tmp
java.library.path=/usr/java/packages/lib/amd64:/usr/lib/x86_64-linux-gnu/jni:/lib/x86_64-linux-gnu:/usr/lib/x86_64-linux-gnu:/usr/lib/jni:/lib:/usr/lib
java.runtime.name=OpenJDK Runtime Environment
java.runtime.version=1.7.0_51-b00
Other applicable suggestions on these other issues (for example: "... must have JDK ...") have apparently already been considered in this current setup, where possible. This question is not a duplicate of existing ones, so please do not duplicate the answers to existing questions. Existing answers have already been taken.
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