openjdk ubuntu

Like the author of the book, I compiled the OPENJDK 7. The process is also encountered a lot of pits, consulted a lot of information, tried to use JDK8,JDK7,JDK6, the final use of jdk7u71 compiled successfully, the following record the process, so that others can learn from. First, the preparatory work: 1. Install Xcode, download directly from the App Store, and command line tools 2. Download Ant,mac will bring Ant, in/usr/local/cellar/ant/1.9.7, if

The Linux Server oraclejdk and openjdk coexist and configure the JavaEE development environment, oraclejdkjavaee Due to my academic needs, I need to build a JavaEE development environment in linux and work with windows students for development. JDK Since fedora uses openjdk by default, some problems may occur when it is removed. Because many open-source software uses it by default, even if oracaljdk is ins

1. Uninstall the previous JDK and mark all options that contain openjdk in the new version to completely delete it. Or execute sudo apt-Get autoremove openjdk-6-jre 2, download JDK Software Follow these steps to install Sun JDK: Slave. Then configure the Java environment variable: Set environment variables: Vim/etc/profile or Vim ~ /. Bashrc, add: Export java_home =/share/software/jdk1.7.0 _ 17Export Pat

Fedora 20 comes with OpenJDK, So if you install the official JDK, you must first Delete OpenJDK as follows: 1: run the rpm-qa | grep jdk command to check the current jdk status. 2: yum-y remove java java-1.7.0-openjdk * uninstall openjdk, which may uninstall some additional software due to dependency. 3: Download th

First, install the OPENJDKJava has 2 jdk, one is Oracle's JDK, and the other is OpenJDK.OpenJDK is used here as the Java development environment.Install with Yum sourceYum Install java-1.8.0-openjdk-devel #java的编译环境yum install JAVA-1.8.0-OPENJDK #jre, Java operating environmentRun the following to verify whether the JDK was successfully installed:Java-version650) this.width=650; "src=" Https://s2.51cto.com/

Because the project is needed, install the Java environment on the machine.1, go to http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html download, select the Accept License AgreementJdk-7u71-linux-x64.tar.gz with Linux x64 selected2, #接下来找个目录来放sun JDK, here we put the/usr/java, and figure out the version, such as Java8 in/usr/java/java8, Java7 in/usr/java/java7Create the/usr/java directory, then unzip the package and move to the/USR/JAVA/JAVA7#mkdir/usr/java tar-

CENTOS6.4 installation configuration OPENJDK-7 Test Machine installation and configurationInstall centos6.4 mini 1000 words are omitted here ...... Disable selinux Setenforce 0 Vi/etc/sysconfig/selinux --> diabledDisable iptables Service iptables off Chkconfig iptables off NetworkingConfigure sohu yum SourceModify the system architecture and version number. Sohu images are stable. Not connectedConfigure local sourceAttach a Local CD to/mnt[Centos6.

Label:Reference article: Blog Park-three-dimensional antsLinux Commune1, first need to download the corresponding Platform Jdk:oracle official website2. Install the JDK using the Yum or RPM command:Yum install ./jdk-8u40-linux-x64.rpm3. After configuring the environment variable Vi/etc/profile, enter the following at the penultimate line:Export JAVA_HOME=/USR/JAVA/JDK1. 8 . 0_40export PATH= $JAVA _home/bin: $PATHexport CLASSPATH=.: $JAVA _home/lib/dt.jar: $JAVA _home/lib/ Tools.jarIf you need to

System V initial script), removing most of the environment variables, preserving only the Lang and term environment variables, and setting the current path to/, that is, running the service script in a very clean environment that can be predicted.So when the script is running, the environment variable cannot be found, so it is modified to the following script Catalina_home_data=/usr/local/tomcat/tomcat7.0start_tomcat=$CATALINA _home_data/bin/startup.sh stop_tomcat=$CATALINA _home_data/bin/shutd

-for-OSX to think about trying to install Xquartz to solve the problem.To establish a soft connection for X11 after installationsudo ln -s /usr/X11/include/X11 /usr/include/X113. Installing FreeTypeA friend who compiles openjdk under Linux may have encountered a requirement to install FreeType, and then install and add the installation directory to the environment variable. But OS X is not the same, FreeType is not practical to install separately. Alt

Release date:Updated on: Affected Systems:OpenJDKDescription:--------------------------------------------------------------------------------Bugtraq id: 55538Cve id: CVE-2012-4420 OpenJDK is a cooperation Platform for open source implementation of Java Platform, Standard Edition and related projects. OpenJDK has a remote information leakage vulnerability. Attackers can exploit this vulnerability to leak

Encounter Error Error:./gamma:relocation error:/usr/lib/jvm/java-7-openjdk-amd64/jre/lib/amd64/libjava.so:symbol JVM_ Findclassfromcaller, version sunwprivate_1.1 not defined in file libjvm.so with link time referenceModified files: Hotspot/make/linux/makefileRemove all Test_gamma from the file./gamma:relocation Error:/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.36.x86_64/jre/lib/amd64/libjava.so:symbol JVM_ Findc

1. Install the Developer ToolkitYum Install java-1.7. 0-openjdk-devel-y2. Configure Environment variablesvim/etc/profileexport java_home=/usr/lib/jvm/java-1.7. 0-openjdk-1.7. 0.95 . x86_64export CLASSPATH=.: $JAVA _home/jre/lib/rt.jar: $JAVA _home/lib/dt.jar: $JAVA _home/lib/Tools.jar Export PATH= $JAVA _home/bin:${path}Source/etc/profile3. Install Mavenwget http://apache.fayea.com/maven/maven-3/3.3.9/binar

), the other code is OPENJDK.Note: I'm using Jdk8u40 's Javac code to modify it, so if you want to do it yourself, you need to install JDK8 (the Java compiler is bootstrap, written entirely in Java).Because a lot of people on the Javac code is not familiar (actually I just touch the next day only, also not familiar), so a little more:The main class of the OpenJDK Javac Run is Com.sun.tools.javac.Main, which runs the class directly and takes the file n

Label:Because of my academic needs, I need to build a Java EE development environment in Linux and develop it in collaboration with the students in Windows. Jdk BecauseFedora is used by defaultOPENJDK, removal is more or less problematic, because many open source software is used by default, even if it is installedORACALJDK will also appear in the packageOracle does not exist problems, for the novice I do not dare to touch it;Windows development partners develop together and useOPENJDK Developm

Download installationEnter https://www.mercurial-scm.org/wiki/Mercurial download, Windows on the fool installed, after installation, command line into the installation directory, using the command HG version instructions installed successfully, such asNew sandboxWhat is a sandbox library? In addition to the project repository, there are a number of test libraries that can be used to run some test commands against mercurial without worrying about damage to development. It is possible to use them

Before installing, check if the system comes with OPEN-JDKCommand:Rpm-qa |grep JavaRpm-qa |grep JDKRpm-qa |grep GCJIf no information is entered, no installation is indicated.If the installation can use RPM-QA |grep java | Xargs rpm-e--nodeps Bulk unload All files with Java The key word for this command is JavaFirst retrieve the list containing JavaYum List java*Retrieving the list of 1.8Yum List java-1.8*Install all files for 1.8.0Yum Install java-1.8.0-open