matlab not null,java调用matlab 时出现java.lang.NullPointerException错误

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这是错误日志

Error occurred during initialization of VM

Unable to load ZIP library: D:matlab7_6sysjavajrewin32jre1.6.0binzip.dll

Stack Trace:

[0] jmi.dll:void __stdcall mwJavaAbort(void)(0x78f1efa8, 0, 0x78ec633a, 0x790338d0 "Unable to load ZIP library") + 21 bytes

[1] jvm.dll:0x78fa8f65(0, 0, 0x08dfc4b8, 0)

[2] 0x00000000(0x78ffd9c0, 0x78e823f0, 0x78e9d6e0, 0x78e823f0)

[3] jvm.dll:0x78ffd2c0(0xcccccccc, 0xcccccccc, 0x83ec8b55, 0x8b530cec)

[4] 0xcccccccc

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Fatal Java Exception detected at Mon May 23 16:25:29 2011

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Configuration:

MATLAB Version:    7.6.0.324 (R2008a)

MATLAB License:    unknown

Operating System: Microsoft Windows Vista

Window System:     Version 6.1 (Build 7600)

Processor ID:      x86 Family 6 Model 5 Stepping 5, GenuineIntel

Virtual Machine:   Java is not enabled

Default Encoding:   GBK

Java is not enabled