Examples with TemporaryClassLoaderContext com.alibaba.alink.common.io.plugin.TemporaryClassLoaderContext used on opensource projects

Example 6 with TemporaryClassLoaderContext

use of com.alibaba.alink.common.io.plugin.TemporaryClassLoaderContext in project Alink by alibaba.

the class HiveClassLoaderFactory method installSecurity.

private void installSecurity(ClassLoader classLoader) {
    if (installed == null || !installed) {
        try (TemporaryClassLoaderContext context = TemporaryClassLoaderContext.of(classLoader)) {
            if (System.getProperties().containsKey("java.security.krb5.conf") && Files.exists(Paths.get(System.getProperty("java.security.krb5.conf")))) {
                Configuration configuration = GlobalConfiguration.loadConfiguration();
                if (!(configuration.containsKey(ConfigConstants.PATH_HADOOP_CONFIG))) {
                    LOG.warn("Could not find hadoop configure, but the krb file has been set.");
                    installed = true;
                    return;
                }
                try {
                    Class<?> initializer = Class.forName("com.alibaba.alink.common.io.catalog.hive.plugin.initializer.HivePluginInitializer", true, classLoader);
                    Method method = initializer.getMethod("initialize", String.class);
                    method.invoke(null, configuration.getString(ConfigConstants.PATH_HADOOP_CONFIG, null));
                } catch (ClassNotFoundException e) {
                    LOG.warn("Could not find HivePluginInitializer.", e);
                } catch (NoSuchMethodException e) {
                    LOG.warn("Could not find the initialize method.", e);
                } catch (IllegalAccessException | InvocationTargetException e) {
                    LOG.warn("Invoke the initialize error.", e);
                }
            }
        }
        installed = true;
    }
}