ARROW-1966: [C++] Accommodate JAVA_HOME on Linux that includes the jr…

…e/ directory, or is the full path to directory with libjvm Some users ran into a rough edge where they had a non-standard JRE directory (possibly related to some recent changes by Oracle in their JDK installer) Author: Wes McKinney <[email protected]> Closes apache#1487 from wesm/ARROW-1966 and squashes the following commits: 7e14923 [Wes McKinney] Add note to API documentation about JAVA_HOME f77b31e [Wes McKinney] Accommodate a JAVA_HOME containing the jre/ directory, or an absolute path to directory containing libjvm
dremio · Jan 18, 2018 · bc9f9e5 · bc9f9e5
1 parent 58a24c5
commit bc9f9e5
Show file tree

Hide file tree

Showing 2 changed files with 6 additions and 2 deletions.
diff --git a/cpp/apidoc/HDFS.md b/cpp/apidoc/HDFS.md
@@ -50,6 +50,10 @@ export CLASSPATH=`$HADOOP_HOME/bin/hadoop classpath --glob`
 * `ARROW_LIBHDFS_DIR` (optional): explicit location of `libhdfs.so` if it is
 installed somewhere other than `$HADOOP_HOME/lib/native`.
 
+To accommodate distribution-specific nuances, the `JAVA_HOME` variable may be
+set to the root path for the Java SDK, the JRE path itself, or to the directory
+containing the `libjvm` library.
+
 ### Mac Specifics
 
 The installed location of Java on OS X can vary, however the following snippet

diff --git a/cpp/src/arrow/io/hdfs-internal.cc b/cpp/src/arrow/io/hdfs-internal.cc
@@ -147,7 +147,7 @@ static std::vector<fs::path> get_potential_libjvm_paths() {
  file_name = "jvm.dll";
 #elif __APPLE__
  search_prefixes = {""};
- search_suffixes = {"", "/jre/lib/server"};
+ search_suffixes = {"", "/jre/lib/server", "/lib/server"};
  file_name = "libjvm.dylib";
 
 // SFrame uses /usr/libexec/java_home to find JAVA_HOME; for now we are
@@ -175,7 +175,7 @@ static std::vector<fs::path> get_potential_libjvm_paths() {
  "/usr/lib/jvm/default", // alt centos
  "/usr/java/latest", // alt centos
  };
- search_suffixes = {"/jre/lib/amd64/server"};
+ search_suffixes = {"", "/jre/lib/amd64/server", "/lib/amd64/server"};
  file_name = "libjvm.so";
 #endif
  // From direct environment variable