Apache Tomcat doesn't find Native library -

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i maintained countless instances of tomcat run problem never ran before.

i known log message tomcat complains can't find native lib @ d:\programme\apache software foundation\tomcat 7.0\bin:

"the apr based apache tomcat native library allows optimal performance in production environments not found on java.library.path: d:\programme\apache software foundation\tomcat 7.0\bin; [...]"

as usual put native lib "tcnative-1.dll" bin-folder of tomcat (and yes, @ drive d:!!), tomcat furthermore complains missing native lib.

i tried specify -djava.library.path @ startup, without success. there no further messages in log may indicate other problems @ startup.

why doesn't tomcat find native lib?

the web full of stupid trial-and-error-approaches , tomcat documentation doesn't explicitly describes under circumstances doesn't take native lib in bin-folder.

additional info:

apache tomcat 7.0.8

jvm 1.6.0_29-b11

check if dll bitsize matches jdk bitsize (not os bitsize): e.g. if run win64, 32bit java, make sure have 32bit dll.


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