LvJimmy,Jing wrote:
> Agreed, it is strange that Harmony need correct java.home property to
> execute as it is not necessary for RI.
VM doesn't depend on java.home property, it depends on
org.apache.harmony.boot.class.path to find bootstrap classes. As I wrote
in the bug report, when bad java.home is specified, launcher fails to
initialize org.apache.harmony.boot.class.path properly.
> 2007/4/29, Tony Wu <[EMAIL PROTECTED]>:
>> Hi all,
>> I agree with Gregory that this system is wrong, but I think the root
>> cause is not in the launcher. If we ignore the java.home passed on cmd
>> line in launcher and pass the executable path to vm as java.home, we
>> have to set the property after vm has been created(this is one
>> solution) otherwise we lose the feature to set this property.(RI could
>> print correct (System.getProperty("java.home")) in this case)
>>
>> IMO, VM should not depend on the system property "java.home" to load
>> its own libraries. So, another solution is, pass executable path to vm
>> in another manner instead of using java.home.
>>
>> I'm not sure that which one is better, what's your opinion and do you
>> have any suggestion on this problem?
>>
>
> Either is OK IMHO, just behave as RI does.
>
>> On 11/25/06, Gregory Shimansky (JIRA) <[EMAIL PROTECTED]> wrote:
>> > [classlib] Launcher fails to find properties location when bad
>> -Djava.home is specified on the command line
>> >
>>
-----------------------------------------------------------------------------------------------------------
>>
>> >
>> > Key: HARMONY-2321
>> > URL:
http://issues.apache.org/jira/browse/HARMONY-2321
>> > Project: Harmony
>> > Issue Type: Bug
>> > Components: Classlib
>> > Environment: All
>> > Reporter: Gregory Shimansky
>> >
>> >
>> > A short investigation shows that launcher parses -Djava.home passed
>> on the command line. Later on while classlib is initialized the
>> function readClassPathFromPropertiesFile calls properties_load with
>> file name formed as ${java.home}/lib/boot/bootclasspath.properties. If
>> this file is not found and properties_load, then no value is assigned
>> to org.apache.harmony.boot.class.path.
>> >
>> > I think this system is wrong. The launcher should not pay attention
>> to java.home passed on the command line. The location should be found
>> from the executable path probably. RI doesn't crash or fail its boot
>> classes when I specify bad -Djava.home on the command line.
>> >
>> >
>> > --
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>> >
>> >
>> >
>>
>>
>> --
>> Tony Wu
>> China Software Development Lab, IBM
>>
>
>
--
Gregory
