CentOS 64-bit under hadoop-2.7.2 compilation

CentOS 64-bit under hadoop-2.7.2 compilation

As the machine installs the CentOS 6.7 64-bit system downloaded from Hadoop is the 32-bit Hadoop-dependent library that libhadoop.so is 32-bit required to recompile.

Here is the procedure for compiling

1 Installing the jdk

1.1 Download JDK

1.2 Unpacking the JDK

1.3 Configuring Environment variables

1.3.1 Command

1.3.2 Modifying environment variables

Add a display at the end of a file

1.4 Viewing versions with commands

2 Libraries required for installation

2.1 Commands

2.2 Second Installation

3 Install protobuf-2.5.0.tar.gz (version must be 2.5.0)

3.1

3.2 to unzip him.

3.3 Execute Command

3.4 Execute Command

Make

3.5 Execute Command

3.6 Verifying that the installation is complete

4 installing maven

4.1 Downloads

4.2 Decompression

4.3 Configuring environment variables

4.4 Verifying the installation is successful

5 installing ant

5.1 Downloads Ant

5.2 Extracting Ant

TAR–ZXVF Apache-ant-1.9.4–c/usr/app

5.3 Configuring environment variables

5.4 Check if the installation was successful

5.4.1 Show here that the JDK suddenly shows the native version of the machine (I'm embarrassed) there was a problem with the environment variable (a small episode)

Use the following command to switch the installed JDK

6 Installing findbugs

6.1 Downloads FindBugs

6.2 Decompression

6.3 Adding environment variables

6.4 Check if the installation is successful

7. Recompile Hadoop

7.1 Switch to HADOOP-2.7.2-SRC source path

7.2 To compile (wait a long time)

Execute command MVN Package-pdist,native-dskiptests–dtar

Show Compilation Successful

7.3 Hints

If it is not compiled successfully, it is purged with the MVN Clean command after the compilation

CentOS 64-bit under hadoop-2.7.2 compilation