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Thursday, March 5, 2015

Your version is java version 1 6 0 20 The correct version is Java SE 1 6

I cam across this issue with java while building Android source.

$ java -version < the output would be as below >

java version "1.6.0_20"

OpenJDK Runtime Environment (IcedTea6 1.9.10) (6b20-1.9.10-0ubuntu1~10.10.3)

OpenJDK 64-Bit Server VM (build 19.0-b09, mixed mode)

To install new version of java, Follow the below steps which worked for me.

Step1:

Append the below lines to sources.list at /etc/apt/ as a sudo user.

deb http://ppa.launchpad.net/sun-java-community-team/sun-java6/ubuntu maverick main

deb-src http://ppa.launchpad.net/sun-java-community-team/sun-java6/ubuntu maverick main

$ sudo gedit /etc/apt/sources.list

Step2:

Do the following installations and updates.

$ sudo apt-get install python-software-properties

$ sudo add-apt-repository ppa:sun-java-community-team/sun-java6

$ sudo apt-get update

$ sudo apt-get install sun-java6-jdk

Step3:

After the installations are done, you need to update your java version with the following command.

$ sudo update-alternatives --config java

There are 2 choices for the alternative java (providing /usr/bin/java).

Selection Path Priority Status

------------------------------------------------------------

* 0 /usr/lib/jvm/java-6-openjdk/jre/bin/java 1061 auto mode

1 /usr/lib/jvm/java-6-openjdk/jre/bin/java 1061 manual mode

2 /usr/lib/jvm/java-6-sun/jre/bin/java 63 manual mode

Press enter to keep the current choice[*], or type selection number:

Selection option 2 for selecting the right version of Java.

Step4:

Now check your latest config and this should be as below.

$ java -version < the output would be as below >

java version "1.6.0_21"
Java(TM) SE Runtime Environment (build 1.6.0_21-b06)
Java HotSpot(TM) 64-Bit Server VM (build 17.0-b16, mixed mode)

SAVE your APK

How to save your android application? I cant find the APK to save. What should I do?

No Worry... Here what you should do..

Download File Expert from Andorid market (You can use ASTRO as well)

Go to App

Select application to backup. Click on Backup button

Finally all the application APK will be saved here "/mnt/sdcard/backup_apps"...You may copy it and save to your local hard disk for future use.

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