)
Method 2: Install JDK with yum
1. Check which jdk versions are available in the yum Library (only openjdk is found currently)
[root@localhost ~]# yum search java|grep jdkldapjdk-javadoc.x86_64 : Javadoc for ldapjdkjava-1.6.0-openjdk.x86_64 : OpenJDK Runtime Environmentjava-1.6.0-openjdk-demo.x86_64 : OpenJDK Demosja
Uninstall the JDK that comes with CentOS1. Review the current JDK version and uninstall[Email protected] opt]# rpm-qa|grepJava Java-1.6.0-openjdk-1.6.0.37-1.13.9.4. El5_11tzdata-java-2015g-1. El5//Uninstall[Email protected] opt]# rpm-e--allmatches--nodeps java-1.6.0-openjdk-1.6.0.37-1.13.9.4. El5_11[[email protected] opt]# rpm-E--allmatches--nodeps tzdata-java-2015g-1. el5Installing the JDK1. Find Java-rela
Tags: def java_home serve alter JRE example runtime RIP apt1.ubuntu is using OPENJDK, so we need to find the appropriate JDK version first. On the command line, enter the command:$apt-cache search openjdk
1
Return results list (varies by PC):Default-jdk-doc-standard Java or Java Compatible development Kit (documentation)... (Omit partial display result)OPE
Method Two: Install the JDK with Yum1. See which JDK versions are available in the Yum Library (OPENJDK only)[email protected] ~]# Yum search Java|grep JDKLdapjdk-javadoc.x86_64:javadoc for LDAPJDKJAVA-1.6.0-OPENJDK.X86_64:OPENJDK Runtime EnvironmentJAVA-1.6.0-OPENJDK-DEMO.X86_64:OPENJDK DemosJAVA-1.6.0-
1.ubuntu is using OPENJDK, so we need to find the appropriate JDK version first. On the command line, enter the command:$apt-cache search openjdkReturn results list (varies by PC):Default-jdk-doc-standard Java or Java Compatible development Kit (documentation)... (Omit partial display result)OPENJDK-6-SOURCE-OPENJDK Development Kit (JDK) source filesOpenjdk-7-jre
Compiling openjdk in Windows is a difficult process...
Platform: WindowsXP + cygwin, openjdk version: openjdk7, compiler: vs2010
Openjdk7 is selected because openjdk6 does not support vs2010. openjdk7 considers vs2010.
I will not detail the process because it is a long one. Similar to code download and cygwin installation, please follow the compilation instructions on the
Uninstall the JDK that comes with CentOS1. Review the current JDK version and uninstall[[emailprotected]opt]#rpm-qa|grepjavajava-1.6.0-openjdk-1.6.0.37-1.13.9.4.el5_11tzdata-java-2015g-1.el5//卸载[[emailprotected]opt]#rpm-e--allmatches--nodepsjava-1.6.0-openjdk-1.6.0.37-1.13.9.4.el5_11[[emailprotected]opt]#rpm-e--allmatches--nodepstzdata-java-2015g-1.el5Installing the JDK1. Find Java-related lists[[emailprote
Check to see if the CentOS JDK is installed.Input: Yum list installed |grep java.How do I uninstall a CentOS system with a Java environment if I have a self-installing JDK?Uninstall JDK-related file input: yum-y remove java-1.7.0-openjdk*.Uninstall Tzdata-java Input: Yum-y remove Tzdata-java.noarch.When the results are displayed as complete! The uninstallation is complete.Note: "*" means uninstalling all OPENJDK
I recently in the study Zhou Zhiming teacher wrote "in-depth understanding of Java Virtual Machine" book, the first chapter of the actual combat part is "self-compiled JDK", but the book refers to the compilation of OpenJDK 7. Since the Java development mainstream JDK is basically 1.8 version, so the author of the OpenJDK 8 compiled.(This article for Bo Master original article, reproduced please specify the
See if the CentOS has been installed with its own JDK.Input: Yum list installed |grep java.
How to uninstall the CentOS system with its own Java environment if you have an installed JDK.Uninstall JDK related file input: yum-y remove java-1.7.0-openjdk*.Uninstall Tzdata-java Input: Yum-y remove Tzdata-java.noarch.When the results are displayed as complete. That is, uninstall is complete.Note: "*" means to uninstall all
Install Java on yum in CentOS and Java on CentOSyum
Check whether the built-in JDK of CentOS is installed.◆ Input: yum list installed | grep java.
If a built-in JDK is installed, how does one uninstall the built-in Java environment of CentOS?◆ Uninstall JDK file input: yum-y remove java-1.7.0-openjdk *.◆ Uninstall tzdata-java input: yum-y remove tzdata-java.noarch.When the result is displayed as Complete! The uninstallation is complete.Note: "*" indic
Phenomenon:---------------------------------[ERROR] Failure executing Javac, but could not parse the error:Javac:invalid Target release:1.8Usage:javac Use-help for a list of possible option---------------------------------The survey found that:[Email protected] ~]# java-versionOPENJDK Version "1.8.0_65"OpenJDK Runtime Environment (build 1.8.0_65-b17)OpenJDK 64-bit Server VM (build 25.65-b01, Mixed mode)[Ema
I. Preface:
CentOS7.0 Although the JDK1.7 and 1.8, run the "java-version" command can also see version information, but the JDK installation environment is not complete, such as the lack of Tool.jar and Dt.jar, which led to "Javac" Such commands are not available even if the environment variable is configured, so reinstall the JDK and configure the environment variables and resolve the problem that the "javac" command is not available. two. Download and install JDK 1.CentOS, first let the curr
Hadoop is written in Java, and he can't use Linux preinstalled OpenJDK, so you need to install the JDK before installing Hadoop (more than 1.6)
Raw materials: 32 JDK downloaded on Oracle's website:
Description
1, CentOS 7.0 system is now only 64, but, Hadoop generally support 32-bit, in the 64-bit environment there will be warning, to avoid the real horse problem, select the i586 jdk (that is, 32-bit), of course, 64-bit CentOS 7 Must be compa
Hadoop is written in Java and cannot use openjdk pre-installed in Linux. Therefore, JDK (1.6 or above) must be installed before hadoop is installed)
Raw materials: the 32-bit JDK downloaded from the Oracle Official Website:
Note:
1. The centos 7.0 system currently only has 64-bit data. However, hadoop generally supports 32-bit data. In a 64-bit environment, there may be a warning problem to avoid real problems, select JDK of i586 (32-bi
There's a lot of problems today, VMware installed on Btrace encountered during the Btrace need to read the server's Java_home , when I configured the java_home=/usr ( I thought the JAVA command is in the directory is java_home, really two can ), how can not get up, the error is as follows:caused By:java.lang.ClassNotFoundException:com.sun.source.util.TaskListener ,after inquiring about development, the development tells me that this is JDK the inside of the class, should be yours Java_home not
First, install JDK reference postInstalling JDK with Yum (CentOS)1. See which JDK versions are available in the Yum Library
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[[emailprotected]~]#yumsearchjava|grepjdkldapjdk-javadoc.x86_64:Javadocforldapjdkjava-1.6.0-openjdk.x86_64:OpenJDKRuntimeEnvironmentjava-1.6.0-openjdk-demo.x86_64:OpenJDKDemosjava-1.6.0-openjdk-devel.x86_64:OpenJDKDevelopmentEnvironmentjav
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