I'd like to reopen an issue we talked about earlier.
I'm having difficulties running PyLucene 2.4.0 (JCC 1.9, shared) on
Windows XP. I've put the "jcc.dll" file into the
PYTHON/Lib/site-packages/lucene/ directory, which seems to work, but
it's complaining that "The application has failed to start because
jvm.dll was not found."
I think that this is going to be a persistent problem on Windows.
Even though I have the Java "bin" directory on my path, the jvm.dll is
in "bin/client", and so is not found.
What I'd like to do is to have the following prologue inserted into
the lucene/__init__.py file. It adds the registry's current location
for jvm.dll to the end of the Path environment variable. This means
that a location explicitly specified by the user will override this
default value, but it also means that a location for the dll will
always be found, and reduce what I expect to be one of the most
troublesome errors using JCC PyLucene on Windows.
Bill
---------------------------------------------------------------
import sys
if sys.platform == 'win32':
# figure out where the jvm.dll is, and make sure that location is on
sys.path
import _winreg as wreg
registry = wreg.ConnectRegistry(None, wreg.HKEY_LOCAL_MACHINE)
key = wreg.OpenKey(registry, r"SOFTWARE\JavaSoft\Java Runtime Environment")
v, t = wreg.QueryValueEx(key, "CurrentVersion")
key = wreg.OpenKey(registry, r"SOFTWARE\JavaSoft\Java Runtime
Environment\%s" % v)
javahome, t = wreg.QueryValueEx(key, "JavaHome")
registry.Close()
# if we have a javahome, make sure it's on the list
if javahome:
import os
location = os.path.join(javahome, "bin", "client")
os.environ['Path'] =
os.pathsep.join(os.environ['Path'].split(os.pathsep) + [location,])
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