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Add in some classloader debugging information: use fml.debugClassLoading=true as a system property

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to track down problems with classes not being found or loading erratically.
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Christian 2012-12-30 21:32:37 -05:00
parent 3715b73f05
commit 2454ed0fbf
1 changed files with 14 additions and 0 deletions
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14
fml/common/cpw/mods/fml/relauncher/RelaunchClassLoader.java
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@ -44,6 +44,8 @@ public class RelaunchClassLoader extends URLClassLoader
private static final String[] RESERVED = {"CON", "PRN", "AUX", "NUL", "COM1", "COM2", "COM3", "COM4", "COM5", "COM6", "COM7", "COM8", "COM9", "LPT1", "LPT2", "LPT3", "LPT4", "LPT5", "LPT6", "LPT7", "LPT8", "LPT9"};
private static final boolean DEBUG_CLASSLOADING = Boolean.parseBoolean(System.getProperty("fml.debugClassLoading", "false"));
public RelaunchClassLoader(URL[] sources)
{
super(sources, null);
@ -176,6 +178,10 @@ public class RelaunchClassLoader extends URLClassLoader
catch (Throwable e)
{
invalidClasses.add(name);
if (DEBUG_CLASSLOADING)
{
FMLLog.log(Level.FINEST, e, "Exception encountered attempting classloading of %s", name);
}
throw new ClassNotFoundException(name, e);
}
}
@ -295,9 +301,17 @@ public class RelaunchClassLoader extends URLClassLoader
URL classResource = findResource(name.replace('.', '/').concat(".class"));
if (classResource == null)
{
if (DEBUG_CLASSLOADING)
{
FMLLog.finest("Failed to find class resource %s", name.replace('.', '/').concat(".class"));
}
return null;
}
classStream = classResource.openStream();
if (DEBUG_CLASSLOADING)
{
FMLLog.finest("Loading class %s from resource %s", name, classResource.toString());
}
return readFully(classStream);
}
finally