[Android Software Development] danarama:
Im having a similar issue.

D/AndroidRuntime( 131): >>>>>> AndroidRuntime START com.android.internal.os.ZygoteInit <<<<<<
D/AndroidRuntime( 131): CheckJNI is OFF
D/dalvikvm( 131): creating instr width table
E/dalvikvm( 131): Can't open dex cache '/cache/dalvik-cache/system@framework@core.jar@classes.dex': No such file or directory
I/dalvikvm( 131): Unable to open or create cache for /system/framework/core.jar (/cache/dalvik-cache/system@framework@core.jar@classes.dex)
D/dalvikvm( 131): Unable to process classpath element '/system/framework/core.jar'
E/dalvikvm( 131): Can't open dex cache '/cache/dalvik-cache/system@framework@bouncycastle.jar@classes.dex': No such file or directory
I/dalvikvm( 131): Unable to open or create cache for /system/framework/bouncycastle.jar (/cache/dalvik-cache/system@framework@bouncycastle.jar@classes.dex)
D/dalvikvm( 131): Unable to process classpath element '/system/framework/bouncycastle.jar'
E/dalvikvm( 131): Can't open dex cache '/cache/dalvik-cache/system@framework@ext.jar@classes.dex': No such file or directory
I/dalvikvm( 131): Unable to open or create cache for /system/framework/ext.jar (/cache/dalvik-cache/system@framework@ext.jar@classes.dex)
D/dalvikvm( 131): Unable to process classpath element '/system/framework/ext.jar'
E/dalvikvm( 131): Can't open dex cache '/cache/dalvik-cache/system@framework@framework.jar@classes.dex': No such file or directory
I/dalvikvm( 131): Unable to open or create cache for /system/framework/framework.jar (/cache/dalvik-cache/system@framework@framework.jar@classes.dex)
D/dalvikvm( 131): Unable to process classpath element '/system/framework/framework.jar'
E/dalvikvm( 131): Can't open dex cache '/cache/dalvik-cache/system@framework@android.policy.jar@classes.dex': No such file or directory
I/dalvikvm( 131): Unable to open or create cache for /system/framework/android.policy.jar (/cache/dalvik-cache/system@framework@android.policy.jar@classes.dex)
D/dalvikvm( 131): Unable to process classpath element '/system/framework/android.policy.jar'
E/dalvikvm( 131): Can't open dex cache '/cache/dalvik-cache/system@framework@services.jar@classes.dex': No such file or directory
I/dalvikvm( 131): Unable to open or create cache for /system/framework/services.jar (/cache/dalvik-cache/system@framework@services.jar@classes.dex)
D/dalvikvm( 131): Unable to process classpath element '/system/framework/services.jar'
E/dalvikvm( 131): Can't open dex cache '/cache/dalvik-cache/system@framework@core-junit.jar@classes.dex': No such file or directory
I/dalvikvm( 131): Unable to open or create cache for /system/framework/core-junit.jar (/cache/dalvik-cache/system@framework@core-junit.jar@classes.dex)
D/dalvikvm( 131): Unable to process classpath element '/system/framework/core-junit.jar'
E/dalvikvm( 131): No valid entries found in bootclasspath '/system/framework/core.jar:/system/framework/bouncycastle.jar:/system/framework/ext.jar:/system/framework/framework.jar:/system/framework/android.policy.jar:/system/framework/services.jar:/system/framework/core-junit.jar'
W/dalvikvm( 131): JNI_CreateJavaVM failed
E/AndroidRuntime( 131): JNI_CreateJavaVM failed

So all you did was replace the boot.img with a known working one? Not sure that will fix this for me. Cannot work out the cause for this