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1. eclipse.ini heap size 문제 : heap size 조정.
# gedit /etc/eclipse.ini
2. java compiler 문제 : openjdk 가 설치되어 있다면 삭제하고 oracle jdk 를 설치하자.
# sudo apt-get purge openjdk*
# Download the sun jdk 7 tar file from here
# Extract the tar file:
tar -xvzf jdk-7u25-linux-x64.tar.gz
# Move extracted folder to this location:
mkdir /usr/lib/jvm
mv jdk1.7.0_25 /usr/lib/jvm/jdk1.7.0_25
# Install new java source in system:
update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/jdk1.7.0_25/bin/javac 1
update-alternatives --install /usr/bin/java java /usr/lib/jvm/jdk1.7.0_25/bin/java 1
update-alternatives --install /usr/bin/javaws javaws /usr/lib/jvm/jdk1.7.0_25/bin/javaws 1
# Choose default java:
update-alternatives --config javac
update-alternatives --config java
update-alternatives --config javaws
# java version test:
java -version
# Verify the symlinks all point to the new java location:
ls -la /etc/alternatives/java*
# Enable Java plugin for Mozilla Firefox (even for Chrome)
# for 64-Bit jdk
ln -s /usr/lib/jvm/jdk1.7.0_25/jre/lib/amd64/libnpjp2.so /usr/lib/mozilla/plugins
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