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Merge branch 'zendesk:master' into master
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‎CHANGELOG.md‎

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# Maxwell changelog
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### [v1.39.4](https://github.com/zendesk/maxwell/releases/tag/v1.39.4)
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- Fix bugs with older versions of mariadb (<10.4)
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_Released 2022-12-07_
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### [v1.39.3](https://github.com/zendesk/maxwell/releases/tag/v1.39.3)
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- some bugfixes for 1.39.2 and google pubsub
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- couple of security upgrades, including in the docker image
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_Released 2022-12-04_
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### [v1.39.2](https://github.com/zendesk/maxwell/releases/tag/v1.39.2)
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this is a bug-fix release. some upgrades broke maxwell's http interface and there's

‎Dockerfile‎

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FROM maven:3.8-jdk-11 as builder
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ENV MAXWELL_VERSION=1.39.2 KAFKA_VERSION=1.0.0
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ENV MAXWELL_VERSION=1.39.4 KAFKA_VERSION=1.0.0
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RUN apt-get update \
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&& apt-get -y upgrade \

‎README.md‎

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@@ -9,7 +9,7 @@ search indexing and inter-service communication. Maxwell gives you some of the
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benefits of event sourcing without having to re-architect your entire platform.
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<b>Download:</b><br>
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[https://github.com/zendesk/maxwell/releases/download/v1.39.2/maxwell-1.39.2.tar.gz](https://github.com/zendesk/maxwell/releases/download/v1.39.2/maxwell-1.39.2.tar.gz)
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[https://github.com/zendesk/maxwell/releases/download/v1.39.4/maxwell-1.39.4.tar.gz](https://github.com/zendesk/maxwell/releases/download/v1.39.4/maxwell-1.39.4.tar.gz)
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<br/>
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<b>Source:</b><br>
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[https://github.com/zendesk/maxwell](https://github.com/zendesk/maxwell)

‎docs/docs/quickstart.md‎

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# Download
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***
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- Download binary distro: [https://github.com/zendesk/maxwell/releases/download/v1.39.2/maxwell-1.39.2.tar.gz](https://github.com/zendesk/maxwell/releases/download/v1.39.2/maxwell-1.39.2.tar.gz)
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- Download binary distro: [https://github.com/zendesk/maxwell/releases/download/v1.39.4/maxwell-1.39.4.tar.gz](https://github.com/zendesk/maxwell/releases/download/v1.39.4/maxwell-1.39.4.tar.gz)
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- Sources and bug tracking is available on github: [https://github.com/zendesk/maxwell](https://github.com/zendesk/maxwell)
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**curl**:
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```
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curl -sLo - https://github.com/zendesk/maxwell/releases/download/v1.39.2/maxwell-1.39.2.tar.gz \
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curl -sLo - https://github.com/zendesk/maxwell/releases/download/v1.39.4/maxwell-1.39.4.tar.gz \
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| tar zxvf -
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cd maxwell-1.39.2
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cd maxwell-1.39.4
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```
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**docker**:

‎pom.xml‎

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<groupId>com.zendesk</groupId>
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<artifactId>maxwell</artifactId>
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<version>1.39.2</version>
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<version>1.39.4</version>
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<packaging>jar</packaging>
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<name>maxwell</name>
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<version>0.6.0</version>
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</dependency>
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<!-- metrics -->
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<dependency>
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<groupId>io.dropwizard.metrics</groupId>
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<artifactId>metrics-core</artifactId>
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<version>4.1.17</version>
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</dependency>
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<dependency>
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<groupId>io.dropwizard.metrics</groupId>
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<artifactId>metrics-servlets</artifactId>
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<version>4.1.17</version>
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</dependency>
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<dependency>
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<groupId>io.dropwizard.metrics</groupId>
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<artifactId>metrics-jmx</artifactId>
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<version>4.1.17</version>
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</dependency>
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<dependency>
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<groupId>org.eclipse.jetty</groupId>
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<artifactId>jetty-server</artifactId>
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<version>10.0.12</version>
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</dependency>
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<dependency>
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<groupId>org.eclipse.jetty</groupId>
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<artifactId>jetty-servlet</artifactId>
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<version>10.0.12</version>
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</dependency>
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<dependency>
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<groupId>com.viafoura</groupId>
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<artifactId>metrics-datadog</artifactId>
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<version>2.0.0-RC3</version>
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</dependency>
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<dependency>
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<groupId>io.prometheus</groupId>
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<artifactId>simpleclient_dropwizard</artifactId>
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<version>0.9.0</version>
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</dependency>
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<dependency>
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<groupId>io.prometheus</groupId>
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<artifactId>simpleclient_servlet</artifactId>
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<version>0.9.0</version>
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</dependency>
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<!-- OpenCensus used for pushing metrics to stackdriver -->
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<dependency>
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<groupId>io.opencensus</groupId>
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<artifactId>opencensus-contrib-dropwizard</artifactId>
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<version>${opencensus.version}</version>
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</dependency>
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<dependency>
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<groupId>io.opencensus</groupId>
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<artifactId>opencensus-api</artifactId>
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<version>${opencensus.version}</version>
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</dependency>
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<dependency>
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<groupId>io.opencensus</groupId>
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<artifactId>opencensus-impl</artifactId>
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<version>${opencensus.version}</version>
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<scope>runtime</scope>
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</dependency>
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<dependency>
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<groupId>io.opencensus</groupId>
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<artifactId>opencensus-exporter-stats-stackdriver</artifactId>
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<version>${opencensus.version}</version>
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</dependency>
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<!-- producer libs -->
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<dependency>
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<groupId>com.google.cloud</groupId>
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<dependency>
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<groupId>com.google.cloud</groupId>
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<artifactId>google-cloud-pubsub</artifactId>
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<version>1.115.1</version>
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<version>1.120.24</version>
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</dependency>
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<dependency>
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<groupId>io.nats</groupId>
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<artifactId>jedis</artifactId>
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<version>3.5.1</version>
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</dependency>
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<!-- metrics -->
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<dependency>
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<groupId>io.dropwizard.metrics</groupId>
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<artifactId>metrics-core</artifactId>
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<version>4.1.17</version>
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</dependency>
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<dependency>
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<groupId>io.dropwizard.metrics</groupId>
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<artifactId>metrics-servlets</artifactId>
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<version>4.1.17</version>
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</dependency>
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<dependency>
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<groupId>io.dropwizard.metrics</groupId>
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<artifactId>metrics-jmx</artifactId>
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<version>4.1.17</version>
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</dependency>
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<dependency>
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<groupId>org.eclipse.jetty</groupId>
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<artifactId>jetty-server</artifactId>
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<version>10.0.12</version>
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</dependency>
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<dependency>
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<groupId>org.eclipse.jetty</groupId>
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<artifactId>jetty-servlet</artifactId>
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<version>10.0.12</version>
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</dependency>
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<dependency>
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<groupId>com.viafoura</groupId>
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<artifactId>metrics-datadog</artifactId>
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<version>2.0.0-RC3</version>
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</dependency>
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<dependency>
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<groupId>io.prometheus</groupId>
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<artifactId>simpleclient_dropwizard</artifactId>
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<version>0.9.0</version>
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</dependency>
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<dependency>
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<groupId>io.prometheus</groupId>
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<artifactId>simpleclient_servlet</artifactId>
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<version>0.9.0</version>
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</dependency>
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<!-- OpenCensus used for pushing metrics to stackdriver -->
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<dependency>
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<groupId>io.opencensus</groupId>
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<artifactId>opencensus-contrib-dropwizard</artifactId>
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<version>${opencensus.version}</version>
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</dependency>
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<dependency>
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<groupId>io.opencensus</groupId>
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<artifactId>opencensus-api</artifactId>
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<version>${opencensus.version}</version>
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</dependency>
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<dependency>
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<groupId>io.opencensus</groupId>
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<artifactId>opencensus-impl</artifactId>
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<version>${opencensus.version}</version>
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<scope>runtime</scope>
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</dependency>
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<dependency>
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<groupId>io.opencensus</groupId>
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<artifactId>opencensus-exporter-stats-stackdriver</artifactId>
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<version>${opencensus.version}</version>
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</dependency>
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<!-- test -->
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<dependency>

‎src/main/antlr4/imports/mysql_alter_database.g4‎

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alter_database: ALTER (DATABASE | SCHEMA) name? alter_database_definition;
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alter_database_definition:
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(default_character_set | default_collation)+
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| UPGRADE DATA DIRECTORY NAME;
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| UPGRADE DATA DIRECTORY NAME
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| alter_encryption;
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alter_encryption: ENCRYPTION '='? string_literal;

‎src/main/java/com/zendesk/maxwell/Maxwell.java‎

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} catch ( URISyntaxException e ) {
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// catch URISyntaxException explicitly as well to provide more information to the user
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LOGGER.error("Syntax issue with URI, check for misconfigured host, port, database, or JDBC options (see RFC 2396)");
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LOGGER.error("URISyntaxException: " + e.getLocalizedMessage());
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LOGGER.error("URISyntaxException: " + e.getLocalizedMessage(), e);
357357
System.exit(1);
358358
} catch ( ServerException e ) {
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LOGGER.error("Maxwell couldn't find the requested binlog, exiting...");
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LOGGER.error("Maxwell couldn't find the requested binlog, exiting...", e);
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System.exit(2);
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} catch ( Exception e ) {
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e.printStackTrace();
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LOGGER.error("Maxwell saw an exception and is exiting...", e);
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System.exit(1);
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}
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}

‎src/main/java/com/zendesk/maxwell/MaxwellConfig.java‎

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this.pubsubMessageOrderingKey = fetchStringOption("pubsub_message_ordering_key", options, properties, null);
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this.pubsubPublishDelayThreshold = Duration.ofMillis(fetchLongOption("pubsub_publish_delay_threshold", options, properties, 1L));
11121112
this.pubsubRetryDelay = Duration.ofMillis(fetchLongOption("pubsub_retry_delay", options, properties, 100L));
1113-
this.pubsubRetryDelayMultiplier = fetchFloatOption("pubsub_retry_delay_multiplier", options, properties, 1.0f);
1113+
this.pubsubRetryDelayMultiplier = fetchFloatOption("pubsub_retry_delay_multiplier", options, properties, 1.3f);
11141114
this.pubsubMaxRetryDelay = Duration.ofSeconds(fetchLongOption("pubsub_max_retry_delay", options, properties, 60L));
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this.pubsubInitialRpcTimeout = Duration.ofSeconds(fetchLongOption("pubsub_initial_rpc_timeout", options, properties, 5L));
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this.pubsubRpcTimeoutMultiplier = fetchFloatOption("pubsub_rpc_timeout_multiplier", options, properties, 1.0f);
@@ -1379,6 +1379,9 @@ public void validate() {
13791379
} else if (this.producerType.equals("sns") && this.snsTopic == null) {
13801380
usageForOptions("please specify a topic ARN for SNS", "sns_topic");
13811381
} else if (this.producerType.equals("pubsub")) {
1382+
if (this.pubsubProjectId == null)
1383+
usageForOptions("please specify --pubsub_project_id.", "--pubsub_project_id");
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13821385
if (this.pubsubRequestBytesThreshold <= 0L)
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usage("--pubsub_request_bytes_threshold must be > 0");
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if (this.pubsubMessageCountBatchSize <= 0L)

‎src/main/java/com/zendesk/maxwell/schema/SchemaCapturer.java‎

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import org.slf4j.LoggerFactory;
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import java.sql.Connection;
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import java.sql.DatabaseMetaData;
1314
import java.sql.PreparedStatement;
1415
import java.sql.ResultSet;
1516
import java.sql.Statement;
@@ -137,8 +138,9 @@ public Schema capture() throws SQLException {
137138

138139
Schema s = new Schema(databases, captureDefaultCharset(), this.sensitivity);
139140
try {
140-
if ( isMariaDB() )
141+
if ( isMariaDB() && mariaSupportsJSON()) {
141142
detectMariaDBJSON(s);
143+
}
142144
} catch ( InvalidSchemaError e ) {
143145
e.printStackTrace();
144146
}
@@ -176,17 +178,34 @@ private boolean isMySQLAtLeast56() throws SQLException {
176178
if ( isMariaDB() )
177179
return true;
178180

179-
java.sql.DatabaseMetaData meta = connection.getMetaData();
181+
DatabaseMetaData meta = connection.getMetaData();
180182
int major = meta.getDatabaseMajorVersion();
181183
int minor = meta.getDatabaseMinorVersion();
182184
return ((major == 5 && minor >= 6) || major > 5);
183185
}
184186

185187
private boolean isMariaDB() throws SQLException {
186-
java.sql.DatabaseMetaData meta = connection.getMetaData();
188+
DatabaseMetaData meta = connection.getMetaData();
187189
return meta.getDatabaseProductVersion().toLowerCase().contains("maria");
188190
}
189191

192+
static final String MARIA_VERSION_REGEX = "[\\d\\.]+-(\\d+)\\.(\\d+)";
193+
private boolean mariaSupportsJSON() throws SQLException {
194+
DatabaseMetaData meta = connection.getMetaData();
195+
String versionString = meta.getDatabaseProductVersion();
196+
Pattern pattern = Pattern.compile(MARIA_VERSION_REGEX);
197+
Matcher m = pattern.matcher(versionString);
198+
199+
if ( m.find() ) {
200+
int major = Integer.parseInt(m.group(1));
201+
int minor = Integer.parseInt(m.group(2));
202+
203+
return major >= 10 && minor > 1;
204+
} else { // shrugging purple lady
205+
return false;
206+
}
207+
}
208+
190209
private void captureTables(Database db, HashMap<String, Table> tables) throws SQLException {
191210
columnPreparedStatement.setString(1, db.getName());
192211

@@ -299,7 +318,7 @@ public void close() throws SQLException {
299318
private void detectMariaDBJSON(Schema schema) throws SQLException, InvalidSchemaError {
300319
String checkConstraintSQL = "SELECT CONSTRAINT_SCHEMA, TABLE_NAME, CONSTRAINT_NAME, CHECK_CLAUSE " +
301320
"from INFORMATION_SCHEMA.CHECK_CONSTRAINTS " +
302-
"where LEVEL='column' and CHECK_CLAUSE LIKE 'json_valid(%)'";
321+
"where CHECK_CLAUSE LIKE 'json_valid(%)'";
303322

304323
String regex = "json_valid\\(`(.*)`\\)";
305324
Pattern pattern = Pattern.compile(regex);

‎src/main/java/com/zendesk/maxwell/util/AbstractConfig.java‎

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114114
Properties properties = new Properties();
115115
for (Map.Entry<String, Object> entry : stringMap.entrySet()) {
116116
LOGGER.debug("Got env_config key: {}", entry.getKey());
117-
properties.put(entry.getKey(), entry.getValue().toString());
117+
if (entry.getKey() != null && entry.getValue() != null) {
118+
properties.put(entry.getKey(), entry.getValue().toString());
119+
}
118120
}
119121
return properties;
120122
} catch (JsonProcessingException e) {

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