While using the VisualVM profiler with my application I noticed that every time I connected the profiler my lambda classes stopped working producing exceptions like this:

Caused by: java.lang.NoClassDefFoundError: com/oracle/graal/java/BytecodeParser$$Lambda$177
at com.oracle.graal.java.BytecodeParser$$Lambda$177/1829744120.get$Lambda(Unknown Source)
at com.oracle.graal.java.BytecodeParser.iterateBytecodesForBlock(BytecodeParser.java:2330)
... 18 more
Caused by: java.lang.ClassNotFoundException: com.oracle.graal.java.BytecodeParser$$Lambda$177
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.net.FactoryURLClassLoader.loadClass(URLClassLoader.java:814)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)