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You need to configure your client log4j setup correctly as indicated.
Most ssl info would come from the jsse layer which requires -Djava
To view the options of the JSSE dynamic debug utility, use the following command-line option on the java command:
Note: If you specify the value help with either dynamic debug utility when running a program that does not use any classes that the utility was designed to debug, you will not get the debugging options.
Here is a complete example of how to get a list of the debug options:
java -Djavax.net.debug=help MyApp
where MyApp is an application that uses some of the JSSE classes. MyApp will not run after the debug help information is printed, as the help code causes the application to exit.
Here are the current options:
all turn on all debugging
ssl turn on ssl debugging
The following can be used with ssl:
record enable per-record tracing
handshake print each handshake message
keygen print key generation data
session print session activity
defaultctx print default SSL initialization
sslctx print SSLContext tracing
sessioncache print session cache tracing
keymanager print key manager tracing
trustmanager print trust manager tracing
handshake debugging can be widened with:
data hex dump of each handshake message
verbose verbose handshake message printing
record debugging can be widened with:
plaintext hex dump of record plaintext
The javax.net.debug property value must specify either all or ssl, optionally followed by debug specifiers. You can use one or more options. You do not have to have a separator between options, although a separator such as ":" or "," helps readability. It doesn't matter what separators you use, and the ordering of the option keywords is also not important.