jvm - what is the difference between java-1.7.0-openjdk-i386 and java-7-openjdk-i386 -



jvm - what is the difference between java-1.7.0-openjdk-i386 and java-7-openjdk-i386 -

when install netbeans gives me alternative select java environment, have 3 options, oracle java , these 2 (java-1.7.0-openjdk-i386 , java-7-openjdk-i386). difference between these two?the os if ubuntu.

the 2 openjdk same. openjdk different oracle jdk. read this post more clarification.

the reason why getting 2 options openjdk have 2 copies of openjdk installed (or 2 different references same directory on system.)

for farther investigation, seek ls -lh /usr/lib/jvm. /usr/lib/jvm directory java gets installed. check if 1 of them symbolic link. also, check in netbeans location of 2 jdk , see if in fact have 2 versions or references of java on system.

for example, here output of ls -lh on system:

ls -lh total 24k lrwxrwxrwx 1 root root 26 sep 10 13:41 default-java -> /usr/lib/jvm/java-7-oracle lrwxrwxrwx 1 root root 18 mar 13 2012 java-1.5.0-gcj -> java-1.5.0-gcj-4.6 drwxr-xr-x 7 root root 4.0k aug 22 2012 java-1.5.0-gcj-4.6 lrwxrwxrwx 1 root root 19 jun 26 2012 java-1.6.0-openjdk-i386 -> java-6-openjdk-i386 drwxr-xr-x 3 root root 4.0k feb 15 10:52 java-6-openjdk-common drwxr-xr-x 7 root root 4.0k feb 15 10:52 java-6-openjdk-i386 drwxr-xr-x 8 ankit ankit 4.0k jun 6 2012 java-6-sun drwxr-xr-x 5 root root 4.0k aug 22 2012 java-7-openjdk-i386 drwxr-xr-x 8 root root 4.0k feb 20 10:40 java-7-oracle lrwxrwxrwx 1 root root 12 mar 13 2012 java-gcj -> java-gcj-4.6 lrwxrwxrwx 1 root root 18 apr 16 2012 java-gcj-4.6 -> java-1.5.0-gcj-4.6

as can see java-1.6.0-openjdk-i386 symbolic link/reference directory named java-6-openjdk-i386

java jvm openjdk

Comments

Post a Comment

Popular posts from this blog

web services - java.lang.NoClassDefFoundError: Could not initialize class net.sf.cglib.proxy.Enhancer -

web services - java.lang.NoClassDefFoundError: Could not initialize class net.sf.cglib.proxy.Enhancer - when trying request rest service @ time of response getting exception.. feb 21, 2013 2:34:49 pm com.sun.jersey.spi.container.containerresponse mapmappablecontainerexception severe: exception contained within mappablecontainerexception not mapped response, re-throwing http container java.lang.noclassdeffounderror: not initialize class net.sf.cglib.proxy.enhancer @ org.hibernate.proxy.pojo.cglib.cgliblazyinitializer.getproxyfactory(cgliblazyinitializer.java:117) @ org.hibernate.proxy.pojo.cglib.cglibproxyfactory.postinstantiate(cglibproxyfactory.java:43) @ org.hibernate.tuple.entity.pojoentitytuplizer.buildproxyfactory(pojoentitytuplizer.java:162) @ org.hibernate.tuple.entity.abstractentitytuplizer.<init>(abstractentitytuplizer.java:135) @ org.hibernate.tuple.entity.pojoentitytuplizer.<init>(pojoentitytuplizer.java:55) @ org.hibernate.tuple.e...
Read more

Accessing MATLAB's unicode strings from C -

Accessing MATLAB's unicode strings from C - how can access underlying unicode info of matlab strings through matlab engine or mex c interfaces? here's example. let's set unicode characters in utf-8 encoded file test.txt, read as fid=fopen('test.txt','r','l','utf-8'); s=fscanf(fid, '%s') in matlab. now if first feature('defaultcharacterset', 'utf-8') , c engevalstring(ep, "s") , output text file utf-8. proves matlab stores unicode internally. if mxarraytostring(enggetvariable(ep, "s")) , unicode2native(s, 'latin-1') give me in matlab: non-latin-1 characters replaced character code 26. need getting access underlying unicode info c string in unicode format (utf-8, utf-16, etc.), , preserving non-latin-1 characters. is possible? my platform os x, matlab r2012b. addendum: documentation explicitly states "[mxarraytostring()] supports multibyte encoded characters...
Read more

javascript - mongodb won't find my schema method in nested container -

javascript - mongodb won't find my schema method in nested container - i trying access method of schema stored within mixed container. here situation : have cases model can many different things, have schema each of these things stored in "casecontent" mixed property. var caseschema = mongoose.schema({ casecontent : {}, object : {type:string, default : "null"}, collision : {type : boolean, default : false} }); the casecontent property filled model of 1 of schemas, 1 exemple : var treeschema = new mongoose.schema({ applecount : {type : number, default : 3} }); treeschema.methods.dostuff = function (data) { console.log('hey, listen'); homecoming true; }; then, want utilize method of schema original container : caseschema.methods.dostuff = function (data) { if (this.casecontent.dostuff !== undefined) { this.casecontent.dostuff(); console.log('it worked'); } else { ...
Read more