Exception in thread "main" CausedBy$StorageException: bad port setting
	at CausedBy.readPort(CausedBy.java:19)
	at CausedBy.start(CausedBy.java:24)
	at CausedBy.main(CausedBy.java:28)
Caused by: java.lang.NumberFormatException: For input string: "80x"
	at java.base/java.lang.NumberFormatException.forInputString(NumberFormatException.java:67)
	at java.base/java.lang.Integer.parseInt(Integer.java:565)
	at java.base/java.lang.Integer.parseInt(Integer.java:662)
	at CausedBy.parsePort(CausedBy.java:12)
	at CausedBy.readPort(CausedBy.java:17)
	at CausedBy.start(CausedBy.java:24)
	at CausedBy.main(CausedBy.java:28)
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
	at java.base/java.lang.reflect.Method.invoke(Method.java:565)
	at jdk.compiler/com.sun.tools.javac.launcher.SourceLauncher.execute(SourceLauncher.java:258)
	at jdk.compiler/com.sun.tools.javac.launcher.SourceLauncher.run(SourceLauncher.java:138)
	at jdk.compiler/com.sun.tools.javac.launcher.SourceLauncher.main(SourceLauncher.java:76)
