[CAMEL-14626] api maven plugin - Cannot load <T> class

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.3.0
• Component/s: build system
• Labels: help-wanted
• Estimated Complexity: Novice
• Assignee: Unassigned
• Reporter: Claus Ibsen
• Created: 28/Feb/20 06:55
• Updated: 07/Apr/20 07:13
• Resolved: 07/Apr/20 07:13

Description

Lets improve this maven plugin to skip classes that are just type ids, eg T etc. We can check that the length of the class must be 2+ at least

[WARNING] Ignoring type parameters <T> for argument type, unable to load parametric type argument T
java.lang.ClassNotFoundException: java.lang.T
at java.net.URLClassLoader.findClass (URLClassLoader.java:471)
at java.lang.ClassLoader.loadClass (ClassLoader.java:588)
at java.lang.ClassLoader.loadClass (ClassLoader.java:521)
at org.apache.camel.maven.AbstractApiMethodGeneratorMojo.getCanonicalName (AbstractApiMethodGeneratorMojo.java:345)
at jdk.internal.reflect.GeneratedMethodAccessor226.invoke (Unknown Source)
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke (Method.java:566)
at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke (UberspectImpl.java:556)
at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke (UberspectImpl.java:539)
at org.apache.velocity.runtime.parser.node.ASTMethod.execute (ASTMethod.java:214)
at org.apache.velocity.runtime.parser.node.ASTReference.execute (ASTReference.java:324)
at org.apache.velocity.runtime.parser.node.ASTReference.value (ASTReference.java:637)
at org.apache.velocity.runtime.parser.node.ASTExpression.value (ASTExpression.java:72)
at org.apache.velocity.runtime.parser.node.ASTSetDirective.render (ASTSetDirective.java:235)
at org.apache.velocity.runtime.parser.node.ASTBlock.render (ASTBlock.java:144)
at org.apache.velocity.runtime.directive.Foreach.renderBlock (Foreach.java:306)
at org.apache.velocity.runtime.directive.Foreach.render (Foreach.java:276)
at org.apache.velocity.runtime.parser.node.ASTDirective.render (ASTDirective.java:295)
at org.apache.velocity.runtime.parser.node.SimpleNode.render (SimpleNode.java:423)
at org.apache.velocity.Template.merge (Template.java:357)
at org.apache.velocity.Template.merge (Template.java:262)
at org.apache.camel.maven.AbstractGeneratorMojo.mergeTemplate (AbstractGeneratorMojo.java:161)
at org.apache.camel.maven.AbstractApiMethodGeneratorMojo.executeInternal (AbstractApiMethodGeneratorMojo.java:83)
at org.apache.camel.maven.ApiComponentGeneratorMojo.executeInternal (ApiComponentGeneratorMojo.java:87)
at org.apache.camel.maven.AbstractGeneratorMojo.execute (AbstractGeneratorMojo.java:103)

Issue Links

• links to: GitHub Pull Request #3706