Java ships in 2 versions: JRE & SDK (used to be called JDK) The JRE in addition to not containing the compiler, also doesn’t contain all of the libraries available in the JDK (tools.jar is one of them) When you download Java at: http://java.sun.com/javase/downloads/index.jsp, make sure to select the JDK version and install it. If … Read more
Check if java JDK is installed correctly dpkg –list | grep -i jdk if not install JDK sudo add-apt-repository ppa:webupd8team/java sudo apt-get update && sudo apt-get install oracle-jdk7-installer After the installation you have enable the jdk update-alternatives –display java Check if Ubuntu uses Java JDK 7 java -version If all went right the answer should … Read more
It seems like you can have Java installed in /usr/lib/jvm/java-6-openjdk but only have the JRE, not the JDK. This fixed it for me: sudo apt-get install openjdk-6-jdk
There are two directories that looks like JDK. C:\Program Files\Java\jdk1.7.0_02 C:\Program Files (x86)\Java\jdk1.7.0_02\ This may be due to both 64 bit and 32 bit JDK installed? What ever may be the case, the java.exe seen by ant.bat should from the JDK. If the JRE’s java.exe comes first in the path, that will be used to … Read more
That’s what profiles are for, extract the path to a property, setup profiles for windows, OSX, etc, and define the property values appropriately. Here’s the doc page that discussing profiles for OSes: Maven Local Settings Model It should endup looking something like this: <profiles> <profile> <id>windows_profile</id> <activation> <os> <family>Windows</family> </os> </activation> <properties> <toolsjar>${java.home}/../lib/tools.jar</toolsjar> </properties> </profile> … Read more
Yes, you’ve downloaded and installed the Java Runtime Environment (JRE) instead of the Java Development Kit (JDK). The latter has the tools.jar, java.exe, javac.exe, etc.