PIG-5414 Build failure on Linux ARM64 due to old Apache Avro

Simplify .travis.yml

.travis.yml

@@ -16,30 +16,23 @@
 
 os: linux
 dist: focal
+arch: arm64
+language: generic
+sudo: false
 
-arch:
-  - amd64
-  - arm64
+addons:
+  apt:
+    update: true
+    packages:
+      - openjdk-8-jdk
+      - ant
 
-install:
+before_script:
   - lscpu
-  - ARCH=`uname -p`
-  - echo $ARCH
-  - JDK_X64="https://github.com/AdoptOpenJDK/openjdk8-binaries/releases/download/jdk8u272-b10/OpenJDK8U-jdk_x64_linux_hotspot_8u272b10.tar.gz"
-  - JDK_ARM64="https://github.com/AdoptOpenJDK/openjdk8-binaries/releases/download/jdk8u272-b10/OpenJDK8U-jdk_aarch64_linux_hotspot_8u272b10.tar.gz"
-  - if test "X$ARCH" = "Xaarch64"; then JDK_URL=$JDK_ARM64; else JDK_URL=$JDK_X64; fi
-  - wget -q $JDK_URL && tar xzf OpenJDK*.tar.gz
-  - mv jdk8* jdk
-  - export JAVA_HOME=`pwd`/jdk
-  - wget -q https://mirrors.netix.net/apache/ant/binaries/apache-ant-1.10.9-bin.tar.gz && tar xzf apache-ant-*-bin.tar.gz
-  - export ANT_HOME=`pwd`/apache-ant-1.10.9
-  - wget -q https://downloads.apache.org/maven/maven-3/3.6.3/binaries/apache-maven-3.6.3-bin.tar.gz && tar xzf apache-maven*.tar.gz
-  - export M2_HOME=`pwd`/apache-maven-3.6.3
-  - export PATH="$JAVA_HOME/bin:$ANT_HOME/bin:$M2_HOME/bin:$PATH"
+  - export JAVA_HOME="/usr/lib/jvm/java-8-openjdk-${TRAVIS_CPU_ARCH}"
+  - export PATH="$JAVA_HOME/bin:$PATH"
   - java -version
   - ant -version
-  - mvn -version
-
 
 script:
   - ant clean test-unit