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Using Java analysis tools jsadebug, jinfo, and jmap

Some of the Java analysis tools access other Java processes via the HotSpot serviceability agent and introspection into the other process. On MacOS, this access is controlled for security reasons. There are two ways to get these tools to function:

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The OpenJDK build makefile attempts to sign these commands using a certificate named openjdk_codesign. When Oracle builds binary releases with an authoritative certificate of this name, their binaries should be accepted by all computers recognizing that authority. Alternatively, the individual OpenJDK builder can create a code-sigining certificate that will give authorization on their computers.

Creating A Code-Signing Certificate (courtesy of the lldb project)

• Launch /Applications/Utilities/Keychain Access.app

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• Option-drag the new openjdk_codesign certificate from the login keychain to the System keychain in the Keychains pane of the main Keychain Access window to make a copy of this certificate in the System keychain. You'll have to authorize a few more times, set it to be "Always trusted" when asked.
• Switch to the System keychain, and drag the copy of openjdk_codesign you just made there onto the desktop.

• Switch to Terminal, and run the following:

sudo security add-trust -d -r trustRoot -p basic -p codeSign -k /Library/Keychains/System.keychain ~/Desktop/openjdk_codesign.cer

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