diff --git hbase-common/src/main/java/org/apache/hadoop/hbase/util/DynamicClassLoader.java hbase-common/src/main/java/org/apache/hadoop/hbase/util/DynamicClassLoader.java index bc86358ab9..115945b154 100644 --- hbase-common/src/main/java/org/apache/hadoop/hbase/util/DynamicClassLoader.java +++ hbase-common/src/main/java/org/apache/hadoop/hbase/util/DynamicClassLoader.java @@ -179,19 +179,22 @@ public class DynamicClassLoader extends ClassLoaderBase { private synchronized void loadNewJars() { // Refresh local jar file lists - for (File file: localDir.listFiles()) { - String fileName = file.getName(); - if (jarModifiedTime.containsKey(fileName)) { - continue; - } - if (file.isFile() && fileName.endsWith(".jar")) { - jarModifiedTime.put(fileName, Long.valueOf(file.lastModified())); - try { - URL url = file.toURI().toURL(); - addURL(url); - } catch (MalformedURLException mue) { - // This should not happen, just log it - LOG.warn("Failed to load new jar " + fileName, mue); + File[] files = localDir == null ? null : localDir.listFiles(); + if (files != null) { + for (File file: files) { + String fileName = file.getName(); + if (jarModifiedTime.containsKey(fileName)) { + continue; + } + if (file.isFile() && fileName.endsWith(".jar")) { + jarModifiedTime.put(fileName, Long.valueOf(file.lastModified())); + try { + URL url = file.toURI().toURL(); + addURL(url); + } catch (MalformedURLException mue) { + // This should not happen, just log it + LOG.warn("Failed to load new jar " + fileName, mue); + } } } } diff --git hbase-common/src/main/java/org/apache/hadoop/hbase/util/OrderedBytes.java hbase-common/src/main/java/org/apache/hadoop/hbase/util/OrderedBytes.java index a0c739095d..9a40aeef13 100644 --- hbase-common/src/main/java/org/apache/hadoop/hbase/util/OrderedBytes.java +++ hbase-common/src/main/java/org/apache/hadoop/hbase/util/OrderedBytes.java @@ -463,7 +463,7 @@ public class OrderedBytes { static int lengthVaruint64(PositionedByteRange src, boolean comp) { int a0 = (comp ? DESCENDING : ASCENDING).apply(src.peek()) & 0xff; if (a0 <= 240) return 1; - if (a0 >= 241 && a0 <= 248) return 2; + if (a0 <= 248) return 2; if (a0 == 249) return 3; if (a0 == 250) return 4; if (a0 == 251) return 5;