def check_jdk_version():
"""
Check preinstalled JDK versions
C5.5.x:
1.7.0_55 (min)
1.8.0_31 (min) (note: JDK 1.8.0_40 is not recommended)
'javac -version' writes to stderr
"""
args = ['javac', '-version']
result, stdout, stderr = subprocess_with_timeout(args, 10)
LOG.debug('javac -version: %s', stderr.rstrip())
if stderr.startswith('javac'):
v = stderr[6:].rstrip()
r = v.split('_')[0]
u = v.split('_')[1]
if r not in JDK.keys():
LOG.error("Running unsupported version of JDK: '%s'. %s", v, LOG_JDK)
elif int(u) < JDK[r]:
LOG.error("Running unsupported update of JDK: '%s'. %s", v, LOG_JDK)
elif v is '1.8.0_40':
LOG.error("Running known bad version of JDK: '%s'. %s", v, LOG_JDK)
else:
LOG.info("Running supported version of JDK: '%s'" % v)
def check_hotspot():
"""
Check for preinstalled Oracle Java
'java -version' writes to stderr
"""
args = ['java', '-version']
result, stdout, stderr = subprocess_with_timeout(args, 10)
LOG.debug('java -version:\n%s', stderr.rstrip())
if stderr.startswith('java'):
# Check for Oracle Java
if 'HotSpot' not in stderr:
LOG.error("Running unsupported Java implementation. %s", LOG_JDK)
else:
LOG.info('Running supported Java implementation (Oracle)')
