[jira] [Created] (PARQUET-1351) Bump java source and target to java8

["Nandor Kollar (JIRA)" <ji...@apache.org>]

Nandor Kollar created PARQUET-1351:
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             Summary: Bump java source and target to java8
                 Key: PARQUET-1351
                 URL: https://issues.apache.org/jira/browse/PARQUET-1351
             Project: Parquet
          Issue Type: Bug
          Components: parquet-format
            Reporter: Nandor Kollar
            Assignee: Nandor Kollar


parquet-format Travis builds are failing with (see for example [this|https://travis-ci.org/apache/parquet-format/builds/400272129?utm_source=github_status&utm_medium=notification] build):
{code}
[ERROR] Plugin org.apache.maven.plugins:maven-remote-resources-plugin:1.5 or one of its dependencies could not be resolved: Failed to read artifact descriptor for org.apache.maven.plugins:maven-remote-resources-plugin:jar:1.5: Could not transfer artifact org.apache.maven.plugins:maven-remote-resources-plugin:pom:1.5 from/to central (https://repo.maven.apache.org/maven2): Received fatal alert: protocol_version -> [Help 1]
{code}

After some investigation, I suspect that the problem is that parquet-format is built against JDK 1.7.0_80 (see in the logs of the failing job above), the default version of TLS for this JDK seems to be TLSv1 (see [here|https://blogs.oracle.com/java-platform-group/diagnosing-tls,-ssl,-and-https]), and Maven central dropped support TLS 1.1 and TLS 1.0 (see [here|https://lists.apache.org/thread.html/%3CCAMk_Beg9=QE-UB10c=yM8NKWiAk=BAK2N3DA0PgYxdfhf3Wx9Q@mail.gmail.com%3E] and [here|https://stackoverflow.com/questions/50824789/why-am-i-getting-received-fatal-alert-protocol-version-or-peer-not-authentic]).

Despite this problem could be fixed by adding a parameter to use newer TLS version, I recommend bumping source and target to java8 instead.



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