Strange messages sent to stderr when using a fastdebug JDK build

[Alan Bateman]

On 07/02/2012 22:56, Kelly O'Hair wrote:
> I'm seeing all kinds of messages like:
>
> bit length overflow
> code 12 bits 6->7
>
> bit length overflow
> code 5 bits 6->7
>
> bit length overflow
> code 5 bits 6->7
>
> When ever a jdk7u or jdk8 fastdebug built jdk is used.
>
> It appears to be coming from here:
>
> jdk/src/share/native/java/util/zip/zlib-1.2.5/trees.c: Trace((stderr,"\nbit length overflow\n"));
>
> These stderr messages get folded into the java users stderr... I don't think we want that.
>
> -kto
Hopefully Sherman has time to look at this for you. Off-hand, it's 
probably that the fastdebug build is turning on z_verbose so you are 
seeing trace messages from the bit twiddling in zlib.

-Alan.