linux下安装tomca和JDK
如果显示：
java version "1.6.0_25"
Java(TM) SE Runtime Environment (build 1.6.0_25-b06)
Java HotSpot(TM) Server VM (build 20.0-b11, mixed mode)
说明已经安装了系统自带的JDK。
显示：
java-1.4.2-gcj-compat-1.4.2.0-27jpp
gcc-java-3.4.6-3
删除原JDK。
显示：
Unpacking...
Checksumming...
Extracting...
UnZipSFX 5.50 of 17 February 2002, by Info-ZIP (Zip-Bugs@lists.wku.edu).
? inflating: jdk-6u23-linux-i586.rpm?
? inflating: sun-javadb-common-10.5.3-0.2.i386.rpm?
? inflating: sun-javadb-core-10.5.3-0.2.i386.rpm?
? inflating: sun-javadb-client-10.5.3-0.2.i386.rpm?
? inflating: sun-javadb-demo-10.5.3-0.2.i386.rpm?
? inflating: sun-javadb-docs-10.5.3-0.2.i386.rpm?
? inflating: sun-javadb-javadoc-10.5.3-0.2.i386.rpm?
Preparing...??????????????? ########################################### [100%]
?? 1:jdk??????????????????? ########################################### [100%]
Unpacking JAR files...
rt.jar...
jsse.jar...
charsets.jar...
tools.jar...
localedata.jar...
plugin.jar...
javaws.jar...
deploy.jar...
Installing JavaDB
Preparing...??????????????? ########################################### [100%]
?? 1:sun-javadb-common????? ########################################### [ 17%]
?? 2:sun-javadb-core??????? ########################################### [ 33%]
?? 3:sun-javadb-client????? ########################################### [ 50%]
?? 4:sun-javadb-demo??????? ########################################### [ 67%]
?? 5:sun-javadb-docs??????? ########################################### [ 83%]
?? 6:sun-javadb-javadoc???? ########################################### [100%]
?
Java(TM) SE Development Kit 6 successfully installed.
?
Product Registration is FREE and includes many benefits:
* Notification of new versions, patches, and updates
* Special offers on Oracle products, services and training
* Access to early releases and documentation
?
Product and system data will be collected. If your configuration
supports a browser, the JDK Product Registration form will
be presented. If you do not register, none of this information
will be saved. You may also register your JDK later by
opening the register.html file (located in the JDK installation
directory) in a browser.
?
For more information on what data Registration collects and
how it is managed and used, see:
http://java.sun.com/javase/registration/JDKRegistrationPrivacy.html
?
Press Enter to continue.....
说明JDK已经安装成功。
添加如下内容：
export JAVA_HOME=/root/jdk1.6.0_18(JDK所在目录)
export CLASSPATH=.:$CLASSPATH:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
export PATH=$PATH:$JAVA_HOME/bin
export JRE_HOME=$JAVA_HOME/jre
显示：
java version "1.6.0_25"
Java(TM) SE Runtime Environment (build 1.6.0_25-b06)
Java HotSpot(TM) Server VM (build 20.0-b11, mixed mode)
说明JDK已经安装成功。
?
