On Mon, 6 Dec 2021 04:25:37 GMT, Jaikiran Pai <j...@openjdk.org> wrote:
>> The effects of invalid values of `jdk.serialFilter` and >> `jdk.serialFilterFactory` properties are >> incompletely specified. The behavior for invalid values of the properties is >> different and >> use an unconventional exception type, `ExceptionInInitializerError` and >> leave the `OIF.Config` class >> uninitialized. >> >> The exceptions in the `ObjectInputFilter.Config` class initialization caused >> by invalid values of the two properties, >> either by system properties supplied on the command line or security >> properties are logged. >> The `Config` class marks either or both the filter and filter factory values >> as unusable >> and remembers the exception message. >> >> Subsequent calls to the methods that get or set the filter or filter factory >> or create >> an `ObjectInputStream` throw `java.lang.IllegalStateException` with the >> remembered exception message. >> Constructing an `ObjectInputStream` calls both `Config.getSerialFilter` and >> `Config.getSerialFilterFactory`. >> The nature of the invalid property is reported as an `IllegalStateException` >> on first use. >> >> This PR supercedes https://github.com/openjdk/jdk/pull/6508 Document that >> setting an invalid property jdk.serialFilter disables deserialization > > src/java.base/share/classes/java/io/ObjectInputFilter.java line 526: > >> 524: * {@code jdk.serialFilter} is defined then it is used to configure >> the filter. >> 525: * The filter is created as if {@link #createFilter(String) >> createFilter} is called, >> 526: * if the filter string is invalid the initialization fails and >> subsequent attempts to > > Hello Roger, >> if the filter string is invalid the initialization fails > > Should this instead be "if the filter string is invalid the initialization of > {@code Config} class fails ..." Please ignore this above comment. Clearly, the initialization of `Config` class doesn't fail, but the initialization of the JVM wide serial filter fails. I still had the older semantics of `Config` class in mind when I submitted that above comment. ------------- PR: https://git.openjdk.java.net/jdk/pull/6645