Jackson version is too old 2.xx

我使用的是IDEA，很简单。

切换到project,如果下面的module版本是2.65,上面的jackson.core.xx小于2.65就会报old,如果高于2.65就会报不兼容。

所以调整成相同的即可

我去我的仓库把它调整成相同的了。就没有问题了。

之后又出现了这个玩意

java.lang.NoClassDefFoundError: scala/collection/GenTraversableOnce$class

然后搜了各种还是没有解决，没办法，喊老大过来。老大给我丢了套pom,我把之前的那个fasterxm全删了

删除完之后，添加完老大给的pom

老大的pom

<?xml version="1.0" encoding="UTF-8"?>

<project xmlns="http://maven.apache.org/POM/4.0.0"

         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

    <modelVersion>4.0.0</modelVersion>

    <groupId>haoZhuoData</groupId>

    <artifactId>day1</artifactId>

    <version>1.0-SNAPSHOT</version>

    <packaging>jar</packaging>

    <properties>

        <mysql.version>5.1.47</mysql.version>

        <scala.version>2.11.8</scala.version>

        <scala.binary.version>2.11</scala.binary.version>

        <spark.version>2.3.1</spark.version>

    </properties>

    <dependencies>

        <!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java -->

        <!--<dependency>

            <groupId>mysql</groupId>

            <artifactId>mysql-connector-java</artifactId>

            <version>8.0.15</version>

        </dependency>

-->

       <!-- <dependency>

            <groupId>com.typesafe.play</groupId>

            <artifactId>play-json_2.10</artifactId>

            <version>2.4.0-M1</version>

        </dependency>

        <dependency>

            <groupId>com.google.code.gson</groupId>

            <artifactId>gson</artifactId>

            <version>2.7</version>

        </dependency>-->

        <!--scala依赖-->

     <!--   <dependency>

            <groupId>org.scala-lang</groupId>

            <artifactId>scala-library</artifactId>

            <version>${scala.version}</version>

        </dependency>-->

        <!--spark依赖-->

        <!--<dependency>

            <groupId>org.apache.spark</groupId>

            <artifactId>spark-streaming_2.11</artifactId>

            <version>${spark.version}</version>

            <exclusions>

                <exclusion>

                    <groupId>com.fasterxml.jackson.core</groupId>

                    <artifactId>jackson-annotations</artifactId>

                </exclusion>

            </exclusions>

        </dependency>

   <dependency>

            <groupId>org.apache.spark</groupId>

            <artifactId>spark-sql_2.11</artifactId>

            <version>${spark.version}</version>

       <exclusions>

           <exclusion>

           <groupId>com.fasterxml.jackson.core</groupId>

           <artifactId>jackson-annotations</artifactId>

       </exclusion>

       </exclusions>

        </dependency>-->

      <!--  <dependency>

            <groupId>org.scala-lang.modules</groupId>

            <artifactId>scala-xml_2.11</artifactId>

            <version>1.0.6</version>

        </dependency>-->

     <!--   <dependency>

            <groupId>org.apache.spark</groupId>

            <artifactId>spark-streaming-flume_2.11</artifactId>

            <version>${spark.version}</version>

        </dependency>

        <dependency>

            <groupId>org.apache.spark</groupId>

            <artifactId>spark-streaming-kafka-0-8_2.11</artifactId>

            <version>${spark.version}</version>

        </dependency>-->

        <dependency>

            <groupId>com.alibaba</groupId>

            <artifactId>fastjson</artifactId>

            <version>1.2.4</version>

        </dependency>

        <dependency>

            <groupId>mysql</groupId>

            <artifactId>mysql-connector-java</artifactId>

            <version>${mysql.version}</version>

        </dependency>

        <dependency>

            <groupId>org.apache.spark</groupId>

            <artifactId>spark-sql_${scala.binary.version}</artifactId>

            <version>${spark.version}</version>

            <scope>${main.scope}</scope>

        </dependency>

        <dependency>

            <groupId>org.apache.spark</groupId>

            <artifactId>spark-streaming_${scala.binary.version}</artifactId>

            <version>${spark.version}</version>

            <scope>${main.scope}</scope>

        </dependency>

        <dependency>

            <groupId>org.scala-lang</groupId>

            <artifactId>scala-library</artifactId>

            <version>${scala.version}</version>

            <scope>${main.scope}</scope>

        </dependency>

        <dependency>

            <groupId>org.scala-lang</groupId>

            <artifactId>scala-reflect</artifactId>

            <version>${scala.version}</version>

            <scope>${main.scope}</scope>

        </dependency>

    </dependencies>

    <build>

        <plugins>

            <!--scala编译插件-->

            <plugin>

                <groupId>org.scala-tools</groupId>

                <artifactId>maven-scala-plugin</artifactId>

                <version>2.15.2</version>

                <executions>

                    <execution>

                        <goals>

                            <goal>compile</goal>

                        </goals>

                    </execution>

                </executions>

            </plugin>

            <!-- java 编译插件 -->

            <plugin>

                <groupId>org.apache.maven.plugins</groupId>

                <artifactId>maven-compiler-plugin</artifactId>

                <version>3.2</version>

                <configuration>

                    <source>1.8</source>

                    <target>1.8</target>

                    <encoding>UTF-8</encoding>

                </configuration>

            </plugin>

        </plugins>

    </build>

</project>

　　然后在

library添加上了2.65

抱着试一试的心态成功了

巴特西

Jackson version is too old 2.xx

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