org.elasticsearch.bootstrap

クラス JarHell

java.lang.Object

org.elasticsearch.bootstrap.JarHell

public class JarHell
extends Object

Simple check for duplicate class files across the classpath.

This class checks for incompatibilities in the following ways:

• Checks that class files are not duplicated across jars.
• Checks any X-Compile-Target-JDK value in the jar manifest is compatible with current JRE
• Checks any X-Compile-Elasticsearch-Version value in the jar manifest is compatible with the current ES

メソッドのサマリー

修飾子とタイプ	メソッドと説明
static void	checkJarHell() Checks the current classpath for duplicate classes
static void	checkJarHell(URL[] urls) Checks the set of URLs for duplicate classes
static void	checkJavaVersion(String resource, String targetVersion) Checks that the java specification version targetVersion required by resource is compatible with the current installation.
static void	checkVersionFormat(String targetVersion)
static void	main(String[] args) Simple driver class, can be used eg. from builds.
static URL[]	parseClassPath() Parses the classpath into an array of URLs

クラスから継承されたメソッド java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

メソッドの詳細

main

public static void main(String[] args)
                 throws Exception

Simple driver class, can be used eg. from builds. Returns non-zero on jar-hell

例外:

Exception

checkJarHell

public static void checkJarHell()
                         throws Exception

Checks the current classpath for duplicate classes

例外:

IllegalStateException - if jar hell was found

Exception

parseClassPath

public static URL[] parseClassPath()

Parses the classpath into an array of URLs

戻り値:

array of URLs

例外:

IllegalStateException - if the classpath contains empty elements

checkJarHell

public static void checkJarHell(URL[] urls)
                         throws Exception

Checks the set of URLs for duplicate classes

例外:

IllegalStateException - if jar hell was found

Exception

checkVersionFormat

public static void checkVersionFormat(String targetVersion)

checkJavaVersion

public static void checkJavaVersion(String resource,
                                    String targetVersion)

Checks that the java specification version targetVersion required by resource is compatible with the current installation.