Hey everyone, there is some use of reflection in PbFormatUtils.getDescriptor: Namely they get the Threads ClassLoader to load a protobuf-generated class. First of all, this appears to be a bad practice in general (refer first answer in this stackoverflow <https://stackoverflow.com/questions/1771679/difference-between-threads-context-class-loader-and-normal-classloader>). Secondly, this comes with a Drawback for me: If I generate the Java classes from Protobuf at runtime, they are not on the class path and not by default available for the Threads ClassLoader. This can be overcome using a hack like this, that sets the ClassLoader for the Current Thread to an URLClassLoader (which can be created at runtime and is then able to find the generated classes): URLClassLoader newLoader = URLClassLoader.newInstance(new URL[] {urlToProtoClasses}, this.getClass().getClassLoader()) Thread.currentThread().setContextClassLoader(newLoader); However this is not a great practice either. It will probably not even work, once there are multiple different Threads invoking PbFormatUtils.getDescriptor. Maybe there should be a way to set the ClassLoader for PbFormatUtils? If anyone knows a different solution to add the generated classes to the classpath please let me know!
-Theo
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