I am trying to compile this simple code using Java 10, Ant and the Eclipse compiler:
import java.util.ArrayList;
import javax.xml.bind.JAXBException;
class Test {
void foo() throws JAXBException {
throw new JAXBException("hi there");
}
void bar() {
new ArrayList<String>();
}
}
This is the Ant file I am using:
<project name="Java 10 test">
<target name="compile-javac" depends="clean, print-version-info">
<javac release="10" includeantruntime="false">
<src path="."/>
<compilerarg value="--add-modules"/>
<compilerarg value="java.xml.bind"/>
</javac>
</target>
<target name="compile-ecj-4.7" depends="clean, print-version-info">
<javac compiler="org.eclipse.jdt.core.JDTCompilerAdapter"
release="10" includeantruntime="false">
<src path="."/>
<compilerclasspath>
<pathelement path="ecj-4.7.3a.jar"/>
</compilerclasspath>
<compilerarg value="--add-modules"/>
<compilerarg value="java.xml.bind"/>
</javac>
</target>
<target name="compile-ecj-4.8" depends="clean, print-version-info">
<javac compiler="org.eclipse.jdt.core.JDTCompilerAdapter"
release="10" includeantruntime="false">
<src path="."/>
<compilerclasspath>
<pathelement path="ecj-4.8RC2.jar"/>
</compilerclasspath>
<compilerarg value="--add-modules"/>
<compilerarg value="java.xml.bind"/>
</javac>
</target>
<target name="clean">
<delete file="Test.class"/>
</target>
<target name="print-version-info">
<echo message="Java home is ${java.home}"/>
<echo message="Java version is ${java.version}"/>
<echo message="Ant version is ${ant.version}"/>
</target>
</project>
The code compiles fine if I'm using javac (compile-javac target) but I can't get it to work with either the 4.7.3a or 4.8RC2 Eclipse compilers:
- with 4.7.3a, I get the error parameterized types are only available if source level is 1.5 or greater even though I specify
release="10"
- with 4.7.3a, if I use
source="10" and target="10"
instead ofrelease="10"
, the source level error disappears but I get a invalid module name: javax.xml.bind error - with 4.8RC2, I get the source level error and another JAXBException cannot be resolved to a type error, even though I specify that I would like to add the java.xml.bind module where JAXBException is defined.
The print-version-info target gives the following as output:
print-version-info:
[echo] Java home is C:\Program Files\Java\jdk-10
[echo] Java version is 10
[echo] Ant version is Apache Ant(TM) version 1.10.3 compiled on March 24 2018
May be it is a follow up for ecj bug 487421 or I just don't understand the command line options?