Debian 8下手工安装 Eclipse CDT neon.2
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从 http://www.eclipse.org/downloads/packages/eclipse-ide-cc-developers/neon2 下载 eclipse-cpp-neon-2-linux-gtk-x86_64.tar.gz,解压安装至目录 /opt/,运行 /opt/eclipse/eclipse,报错:
JVM terminated. Exit code=1 /usr/bin/java -Dosgi.requiredJavaVersion=1.8 -XX:+UseG1GC -XX:+UseStringDeduplication -Dosgi.requiredJavaVersion=1.8 -Xms256m -Xmx1024m -jar /opt/eclipse//plugins/org.eclipse.equinox.launcher_1.3.201.v20161025-1711.jar -os linux -ws gtk -arch x86_64 -showsplash /opt/eclipse//plugins/org.eclipse.platform_4.6.2.v20161124-1400/splash.bmp -launcher /opt/eclipse/eclipse -name Eclipse --launcher.library /opt/eclipse//plugins/org.eclipse.equinox.launcher.gtk.linux.x86_64_1.1.401.v20161122-1740/eclipse_1618.so -startup /opt/eclipse//plugins/org.eclipse.equinox.launcher_1.3.201.v20161025-1711.jar --launcher.appendVmargs -exitdata f0007 -product org.eclipse.epp.package.cpp.product -vm /usr/bin/java -vmargs -Dosgi.requiredJavaVersion=1.8 -XX:+UseG1GC -XX:+UseStringDeduplication -Dosgi.requiredJavaVersion=1.8 -Xms256m -Xmx1024m -jar /opt/eclipse//plugins/org.eclipse.equinox.launcher_1.3.201.v20161025-1711.jar
看起来是需要 java 1.8。
查看java版本:
$ java -version
java version "1.7.0_111"
OpenJDK Runtime Environment (IcedTea 2.6.7) (7u111-2.6.7-2~deb8u1)
OpenJDK 64-Bit Server VM (build 24.111-b01, mixed mode)
查查是哪里的java命令:
$ which java
/usr/bin/java
$ ll /usr/bin/java
lrwxrwxrwx 1 root root 22 Jan 25 01:37 /usr/bin/java -> /etc/alternatives/java
$ ll /etc/alternatives/java
lrwxrwxrwx 1 root root 46 Jan 27 15:36 /etc/alternatives/java -> /usr/lib/jvm/java-7-openjdk-amd64/jre/bin/java
上网搜索/etc/alternatives/java,找到 http://unix.stackexchange.com/questions/100732/i-deleted-etc-alternatives-java,根据其中的说法,执行以下命令以切换至1.8版:
$ sudo update-alternatives --set java /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java
本质上它完成的任务是:
ln -s /usr/lib/jvm/jdk1.7.0_45/jre/bin/java /etc/alternatives/java
此时再启动eclipse,运行正常。
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