Merge branch 'lbl-sink-migration' into jmsReaderTest

src/test/java/kieker/analysis/plugin/reader/amqp/AMQPReaderTest.java

@@ -201,8 +201,11 @@ final class AMQPTestWriter {
 			System.arraycopy(localBuffer.array(), localBuffer.arrayOffset(), data, 0, dataSize);
 
 			// Create and send registry records to the reader
+			// BUG: stringRegistry.getAll() does not return String[] as expected. Instead Object[] is
+			// returned which is why I used the additional String variable entryStr.
+			// Still results in an ClassCastException in Jenkins (however this exception does not occur in Eclipse).
 			for (Object entry : stringRegistry.getAll()) {
-				String entryStr = (String) entry;
+				String entryStr = entry.toString();
 				registryRecord = new RegistryRecord(stringRegistry.get(entryStr), entryStr);
 				consume(registryRecord);
 			}