Upgrade commons-lang3 to fix SystemUtils.isJavaVersionAtLeast crashing on Java 10 & 11

org.apache.maven.plugin.PluginExecutionException: Execution default of goal net.orfjackal.retrolambda:retrolambda-maven-plugin:2.5.6-SNAPSHOT:process-main failed.
	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:143)
	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
	... 19 more
Caused by: java.lang.NullPointerException
	at org.apache.commons.lang3.SystemUtils.isJavaVersionAtLeast(SystemUtils.java:1626)
	at net.orfjackal.retrolambda.maven.ProcessClassesMojo.validateFork(ProcessClassesMojo.java:146)
	at net.orfjackal.retrolambda.maven.ProcessClassesMojo.execute(ProcessClassesMojo.java:119)
	at net.orfjackal.retrolambda.maven.ProcessMainClassesMojo.execute(ProcessMainClassesMojo.java:17)
	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:132)
	... 20 more

Author: luontola

.idea/libraries/Maven__org_apache_commons_commons_lang3_3_5.xml renamed to .idea/libraries/Maven__org_apache_commons_commons_lang3_3_8_1.xml

@@ -241,6 +241,10 @@ yourself or pay someone to do it, if you think it's worth the effort. ;)
 Version History
 ---------------
 
+### Upcoming
+
+- Fix a `NullPointerException` crash in the Maven plugin on Java 10 & 11
+
 ### Retrolambda 2.5.5 (2018-08-14)
 
 - Fix an `ArrayIndexOutOfBoundsException` crash in ASM due to incorrect bytecode 

README.md

@@ -61,7 +61,7 @@
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-lang3</artifactId>
-            <version>3.5</version>
+            <version>3.8.1</version>
         </dependency>
 
     </dependencies>

retrolambda-maven-plugin/pom.xml

@@ -41,7 +41,7 @@
     <orderEntry type="library" name="Maven: org.sonatype.plexus:plexus-sec-dispatcher:1.3" level="project" />
     <orderEntry type="library" name="Maven: org.sonatype.plexus:plexus-cipher:1.4" level="project" />
     <orderEntry type="library" name="Maven: com.google.guava:guava:18.0" level="project" />
-    <orderEntry type="library" name="Maven: org.apache.commons:commons-lang3:3.5" level="project" />
+    <orderEntry type="library" name="Maven: org.apache.commons:commons-lang3:3.8.1" level="project" />
     <orderEntry type="library" scope="TEST" name="Maven: junit:junit:4.12" level="project" />
     <orderEntry type="library" scope="TEST" name="Maven: org.hamcrest:hamcrest-library:1.3" level="project" />
     <orderEntry type="library" scope="TEST" name="Maven: org.hamcrest:hamcrest-core:1.3" level="project" />

retrolambda-maven-plugin/retrolambda-maven-plugin.iml

@@ -40,7 +40,11 @@ JAVA_HOME="$JAVA6_HOME" mvn clean verify \
     -P java6
 
 # Java 9 has stricter bytecode validation than Java 8,
-# so make sure that Retrolambda can run under Java 9 (without forking)
+# so make sure that Retrolambda can run under new Java versions (without forking)
 
 JAVA_HOME="$JAVA9_HOME" mvn clean verify \
     --errors
+JAVA_HOME="$JAVA10_HOME" mvn clean verify \
+    --errors
+JAVA_HOME="$JAVA11_HOME" mvn clean verify \
+    --errors