Android :: GlBufferData Crash When Try To Copy Data To Vertex Buffer

I have experienced some trouble using VBOs, since the method glBufferData crashes when I try to copy data to the vertex buffer. Below is the smallest snippet of code that I found to generate the crash:

int numVert = 32; GL11 gl11 = (GL11)gl; testArray = new int[numVert * 3]; testBuffer = IntBuffer.wrap(testArray); gl11.glGenBuffers(1, testID, 0); gl11.glBindBuffer(GL11.GL_ARRAY_BUFFER, testID[0]); final int siz = testBuffer.capacity() * Integer.SIZE; gl11.glBufferData(GL11.GL_ARRAY_BUFFER, siz, testBuffer, GL11.GL_STATIC_DRAW); gl11.glBindBuffer(GL11.GL_ARRAY_BUFFER, 0);

testArray, testBuffer and testID are members of the class containing this code, declared as follows:
int[] testArray; IntBuffer testBuffer; int[] testID = {0};

I tried this code in several OpenGL applications which don't show any problem otherwise. The crash occurs specifically at the glBufferData() method call. If numVert is set to zero, then the crash doesn't occur.