Calling System.exit()
"Arpe, Kevin C" <[email protected]> Wed, 25 May 2011 21:02:39 +0800
| Newsgroups | gmane.comp.java.tn5250j.general |
|---|---|
| Message-ID | <A092B47643AE4B4DA4B006612FDB00AC034C30C9D4@EMAHC102VS01.exchad.jpmchase.net> |
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Hi,=0D=0A=0D=0AI noticed in your code you call System=2Eexit() in a few pla=
ces=2E=0D=0AExample: org=2Etn5250j=2EMy5250=2Emain()=0D=0A=0D=0AThis makes =
it difficult to call this method from other Java code=2E=0D=0A=0D=0AIs ther=
e a recommended way to spawn new connections using the same virtual machine=
?=0D=0AExample: I want to spawn your app from another app=2E=0D=0A=0D=0AOn =
idea, is call java=2Eexe externally and pass the JAR name=2E=0D=0ABut I wou=
ld rather call into your JAR directly -- same virtual machine (VM)=2E=0D=0A=
=0D=0AWhen I use a basic threading design, it won't work because System=2Ee=
xit() terminates the VM=2E=0D=0AHowever, I built a very basic SecurityManag=
er to trap calls to System=2Eexit()=2E=0D=0A[Source: http://stackoverflow=
=2Ecom/questions/309396/java-how-to-test-methods-that-call-system-exit]=0D=
=0ANow my solution works=2E=2E=2E but it is a slight hack=2E=0D=0A=0D=0ACan=
you please provide the correct API calls=2E=2E=2E or remove System=2Eexit(=
) from your code?=0D=0A=0D=0AWe are big fans here=2E Keep up the good work=
=2E=0D=0A=0D=0APlease advise=2E=0D=0AThanks,=0D=0AArpe=0D=0A=0D=0A=0D=0AThi=
s email is confidential and subject to important disclaimers and=0D=0Acondi=
tions including on offers for the purchase or sale of=0D=0Asecurities, accu=
racy and completeness of information, viruses,=0D=0Aconfidentiality, legal =
privilege, and legal entity disclaimers,=0D=0Aavailable at http://www=2Ejpm=
organ=2Ecom/pages/disclosures/email=2E
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" />=0D=0A</o:shapelayout></xml><![endif]--></head><body lang=3DEN-US link=
=3Dblue vlink=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><span=
style=3D'font-size:11=2E0pt;font-family:"Calibri","sans-serif"'>Hi,<o:p></=
o:p></span></p><p class=3DMsoNormal><span style=3D'font-size:11=2E0pt;font-=
family:"Calibri","sans-serif"'><o:p> </o:p></span></p><p class=3DMsoNo=
rmal><span style=3D'font-size:11=2E0pt;font-family:"Calibri","sans-serif"'>=
I noticed in your code you call System=2Eexit() in a few places=2E<o:p></o:=
p></span></p><p class=3DMsoNormal><span style=3D'font-size:11=2E0pt;font-fa=
mily:"Calibri","sans-serif"'>Example: org=2Etn5250j=2EMy5250=2Emain()<o:p><=
/o:p></span></p><p class=3DMsoNormal><span style=3D'font-size:11=2E0pt;font=
-family:"Calibri","sans-serif"'><o:p> </o:p></span></p><p class=3DMsoN=
ormal><span style=3D'font-size:11=2E0pt;font-family:"Calibri","sans-serif"'=
>This makes it difficult to call this method from other Java code=2E<o:p></=
o:p></span></p><p class=3DMsoNormal><span style=3D'font-size:11=2E0pt;font-=
family:"Calibri","sans-serif"'><o:p> </o:p></span></p><p class=3DMsoNo=
rmal><span style=3D'font-size:11=2E0pt;font-family:"Calibri","sans-serif"'>=
Is there a recommended way to spawn new connections using the same virtual =
machine?<o:p></o:p></span></p><p class=3DMsoNormal><span style=3D'font-size=
:11=2E0pt;font-family:"Calibri","sans-serif"'>Example: I want to spawn your=
app from another app=2E<o:p></o:p></span></p><p class=3DMsoNormal><span st=
yle=3D'font-size:11=2E0pt;font-family:"Calibri","sans-serif"'><o:p> </=
o:p></span></p><p class=3DMsoNormal><span style=3D'font-size:11=2E0pt;font-=
family:"Calibri","sans-serif"'>On idea, is call java=2Eexe externally and p=
ass the JAR name=2E<o:p></o:p></span></p><p class=3DMsoNormal><span style=
=3D'font-size:11=2E0pt;font-family:"Calibri","sans-serif"'>But I would rath=
er call into your JAR directly -- same virtual machine (VM)=2E<o:p></o:p></=
span></p><p class=3DMsoNormal><span style=3D'font-size:11=2E0pt;font-family=
:"Calibri","sans-serif"'><o:p> </o:p></span></p><p class=3DMsoNormal><=
span style=3D'font-size:11=2E0pt;font-family:"Calibri","sans-serif"'>When I=
use a basic threading design, it won't work because System=2Eexit() termin=
ates the VM=2E<o:p></o:p></span></p><p class=3DMsoNormal><span style=3D'fon=
t-size:11=2E0pt;font-family:"Calibri","sans-serif"'>However, I built a very=
basic SecurityManager to trap calls to System=2Eexit()=2E<o:p></o:p></span=
></p><p class=3DMsoNormal><span style=3D'font-size:11=2E0pt;font-family:"Ca=
libri","sans-serif"'>[Source: http://stackoverflow=2Ecom/questions/309396/j=
ava-how-to-test-methods-that-call-system-exit]<o:p></o:p></span></p><p clas=
s=3DMsoNormal><span style=3D'font-size:11=2E0pt;font-family:"Calibri","sans=
-serif"'>Now my solution works… but it is a slight hack=2E<o:p></o:p>=
</span></p><p class=3DMsoNormal><span style=3D'font-size:11=2E0pt;font-fami=
ly:"Calibri","sans-serif"'><o:p> </o:p></span></p><p class=3DMsoNormal=
><span style=3D'font-size:11=2E0pt;font-family:"Calibri","sans-serif"'>Can =
you please provide the correct API calls… or remove System=2Eexit() f=
rom your code?<o:p></o:p></span></p><p class=3DMsoNormal><span style=3D'fon=
t-size:11=2E0pt;font-family:"Calibri","sans-serif"'><o:p> </o:p></span=
></p><p class=3DMsoNormal><span style=3D'font-size:11=2E0pt;font-family:"Ca=
libri","sans-serif"'>We are big fans here=2E Keep up the good work=2E=
<o:p></o:p></span></p><p class=3DMsoNormal><span style=3D'font-size:11=2E0p=
t;font-family:"Calibri","sans-serif"'><o:p> </o:p></span></p><p class=
=3DMsoNormal><span style=3D'font-size:11=2E0pt;font-family:"Calibri","sans-=
serif"'>Please advise=2E<o:p></o:p></span></p><p class=3DMsoNormal><span st=
yle=3D'font-size:11=2E0pt;font-family:"Calibri","sans-serif"'>Thanks,<o:p><=
/o:p></span></p><p class=3DMsoNormal><span style=3D'font-size:11=2E0pt;font=
-family:"Calibri","sans-serif"'>Arpe<o:p></o:p></span></p></div></body></ht=
ml>=0D=0A<p><span STYLE=3D"color :#000000;background-color :#FFFFFF">=0D=0A=
This email is confidential and subject to important disclaimers and conditi=
ons including on offers for the purchase or sale of securities, accuracy an=
d completeness of information, viruses, confidentiality, legal privilege, a=
nd legal entity disclaimers, available at http://www=2Ejpmorgan=2Ecom/pages=
/disclosures/email=2E =0D=0A</span></p>
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