Fix PLASMA_STORE binary path

ci/docker/fedora-29-cpp.dockerfile

@@ -61,6 +61,7 @@ RUN dnf update -y && \
 ENV CC=gcc \
     CXX=g++ \
     PATH=/usr/lib/ccache/:$PATH \
+    ARROW_USE_CCACHE=ON \
     ARROW_ORC=ON \
     ARROW_DEPENDENCY_SOURCE=SYSTEM \
     cares_SOURCE=BUNDLED \
@@ -78,6 +79,4 @@ ENV CC=gcc \
     ARROW_GANDIVA=OFF \
     ARROW_GANDIVA_JAVA=ON \
     ARROW_BUILD_TESTS=ON \
-    ARROW_USE_CCACHE=ON \
-    ARROW_HOME=/usr/local \
-    PATH=/usr/lib/ccache/:$PATH
+    ARROW_HOME=/usr/local

ci/docker/linux-apt-jni.dockerfile

@@ -56,6 +56,8 @@ ENV PATH=/opt/cmake-${cmake}-Linux-x86_64/bin:$PATH
 
 ENV CC=gcc \
     CXX=g++ \
+    PATH=/usr/lib/ccache/:$PATH \
+    ARROW_USE_CCACHE=ON \
     ORC_SOURCE=BUNDLED \
     Protobuf_SOURCE=BUNDLED \
     ARROW_BUILD_TESTS=OFF \

ci/docker/ubuntu-18.04-cpp.dockerfile

@@ -114,7 +114,6 @@ ENV PATH=/usr/lib/ccache/:$PATH \
     ARROW_WITH_ZSTD=ON \
     ARROW_WITH_SNAPPY=ON \
     ARROW_WITH_BROTLI=ON \
-    ARROW_USE_CCACHE=ON \
     ARROW_DEPENDENCY_SOURCE=SYSTEM \
     ORC_SOURCE=BUNDLED \
     GTest_SOURCE=BUNDLED \

ci/scripts/cpp_build.sh

@@ -21,7 +21,6 @@ set -ex
 
 source_dir=${1}/cpp
 build_dir=${2}/cpp
-ccache_dir=${2}/ccache
 with_docs=${3:-false}
 
 : ${ARROW_USE_CCACHE:=OFF}

ci/scripts/java_test.sh

@@ -24,7 +24,7 @@ cpp_build_dir=${2}/cpp/${ARROW_BUILD_TYPE:-debug}
 
 # for jni and plasma tests
 export LD_LIBRARY_PATH=${ARROW_HOME}/lib:${LD_LIBRARY_PATH}
-export PLASMA_STORE=${ARROW_HOME}/bin/plasma_store_server
+export PLASMA_STORE=${ARROW_HOME}/bin/plasma-store-server
 
 mvn="mvn -B -Dorg.slf4j.simpleLogger.log.org.apache.maven.cli.transfer.Slf4jMavenTransferListener=warn"