[CXF-6935] Better error message than java.lang.NullPointerException - org.apache.cxf.common.util.Compiler.useJava6Compiler(Compiler.java:187) when running on a JRE instead of JDK

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.1.6
• Fix Version/s: 3.0.10, 3.1.7, 3.2.0

Environment

java version "1.7.0_79"
Java(TM) SE Runtime Environment (build 1.7.0_79-b15)
Java HotSpot(TM) 64-Bit Server VM (build 24.79-b02, mixed mode)

• Estimated Complexity: Unknown
• Assignee: Sergey Beryozkin
• Reporter: Gary Gregory
• Created: 06/Jun/16 17:10
• Updated: 14/Oct/16 14:10
• Resolved: 08/Jun/16 10:22

Description

CXF needs a better error message than java.lang.NullPointerException - org.apache.cxf.common.util.Compiler.useJava6Compiler(Compiler.java:187) when running on a JRE instead of JDK.

2016-06-06 10:47:09,902 [qtp16583278-30] ERROR: java.lang.NullPointerException - org.apache.cxf.common.util.Compiler.useJava6Compiler(Compiler.java:187)
java.lang.NullPointerException
                at org.apache.cxf.common.util.Compiler.useJava6Compiler(Compiler.java:187)
                at org.apache.cxf.common.util.Compiler.compileFiles(Compiler.java:141)
                at org.apache.cxf.common.util.Compiler.compileFiles(Compiler.java:136)
                at org.apache.cxf.endpoint.dynamic.DynamicClientFactory.compileJavaSrc(DynamicClientFactory.java:611)
                at org.apache.cxf.endpoint.dynamic.DynamicClientFactory.createClient(DynamicClientFactory.java:370)
                at org.apache.cxf.endpoint.dynamic.DynamicClientFactory.createClient(DynamicClientFactory.java:276)
                at org.apache.cxf.endpoint.dynamic.DynamicClientFactory.createClient(DynamicClientFactory.java:269)
                at org.apache.cxf.endpoint.dynamic.DynamicClientFactory.createClient(DynamicClientFactory.java:204)

The method javax.tools.ToolProvider.getSystemJavaCompiler() is documented to return null if no compiler is provided.