Ranjit Vadakkan created CXF-8052:
------------------------------------
Summary: Cannot set JAXB schema compiler options
Key: CXF-8052
URL: https://issues.apache.org/jira/browse/CXF-8052
Project: CXF
Issue Type: Bug
Components: Core
Affects Versions: 3.3.2
Environment: OpenJDK 12
Reporter: Ranjit Vadakkan
JAXB generates an is-prefix getter for a boolean data type in my WSDL instead
of a get-prefix getter, see
[https://www.ibm.com/developerworks/community/blogs/Dougclectica/entry/JAXB_with_Java_7_and_xs_boolean?lang=en]
The workaround is simple - pass the "-enableIntrospection" argument to the JAXB
compiler. Unfortunately, CXF fails with this error -
{quote}Caused by: com.sun.tools.xjc.BadCommandLineException: grammar is not
specified
at com.sun.tools.xjc.Options.parseArguments(Options.java:861)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native
Method)
...
{quote}
The test code to reproduce this is very simple -
{quote}JaxWsDynamicClientFactory factory =
JaxWsDynamicClientFactory.newInstance();
String[] schemaCompilerOptions = new String[] \{"-enableIntrospection"};
factory.setSchemaCompilerOptions(schemaCompilerOptions);
Client client = factory.createClient(<wsdlUrl>);
{quote}
The error occurs in
org.apache.cxf.endpoint.dynamic.DynamicClientFactory#createSchemaCompiler
{quote}if (schemaCompilerOptions != null && schemaCompilerOptions.length > 0) {
compiler.getOptions().parseArguments(schemaCompilerOptions);
}
{quote}
parseArguments expects the XML Schemas to have already been added to the
compiler.getOptions() object, but in DynamicClientFactory, the schemas are
added after parseArguments is called, which is why parseArguments spits out the
"grammar is not specified" error.
This can be fixed in a couple of ways -
# Add a dummy schema to the compiler.getOptions() object before invoking
parseArguments on it.
# Relocate the call to parseArguments after the schemas have been added to the
compiler.getOptions() object.
Option 1 is used by
org.apache.cxf.tools.wsdlto.databinding.jaxb.JAXBDataBinding in its
initialize() method -
{quote}// keep parseArguments happy, supply dummy required command-line opts
opts.addGrammar(new InputSource("null"));
opts.parseArguments(args.toArray(new String[0]));
{quote}
Personally, I prefer relocating the call instead of adding a dummy schema.
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