USIGN Library Hadoop与Javafx-未命名的模块
我正在使用Maven构建Javafx应用程序，以读取Parquet文件，但是当编译时，我会遇到错误：
java: the unnamed module reads package shaded.parquet.*
当我添加库时，这会发生这种情况：
parquet.column
对问题有任何想法吗？
pom.xml（依赖项）
<dependency>
<groupId>org.apache.hadoop</groupId>
<artifactId>hadoop-client</artifactId>
<version>3.3.3</version>
</dependency>
<dependency>
<groupId>org.apache.parquet</groupId>
<artifactId>parquet-avro</artifactId>
<version> 1.12.2</version> <!-- or latest version -->
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.parquet/parquet-avro -->
<dependency>
<groupId>org.apache.parquet</groupId>
<artifactId>parquet-avro</artifactId>
<version>1.12.2</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.parquet/parquet-hadoop -->
<dependency>
<groupId>org.apache.parquet</groupId>
<artifactId>parquet-hadoop</artifactId>
<version>1.12.2</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.parquet/parquet-column -->
<dependency>
<groupId>org.apache.parquet</groupId>
<artifactId>parquet-column</artifactId>
<version>1.12.2</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.parquet/parquet-hadoop-bundle -->
<dependency>
<groupId>org.apache.parquet</groupId>
<artifactId>parquet-hadoop-bundle</artifactId>
<version>1.12.2</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.parquet/parquet-thrift -->
<dependency>
<groupId>org.apache.parquet</groupId>
<artifactId>parquet-thrift</artifactId>
<version>1.12.2</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.parquet/parquet-protobuf -->
<dependency>
<groupId>org.apache.parquet</groupId>
<artifactId>parquet-protobuf</artifactId>
<version>1.12.2</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.parquet/parquet-jackson -->
<dependency>
<groupId>org.apache.parquet</groupId>
<artifactId>parquet-jackson</artifactId>
<version>1.12.2</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.parquet/parquet-encoding -->
<dependency>
<groupId>org.apache.parquet</groupId>
<artifactId>parquet-encoding</artifactId>
<version>1.12.2</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.parquet/parquet-format -->
<dependency>
<groupId>org.apache.parquet</groupId>
<artifactId>parquet-format</artifactId>
<version>2.9.0</version>
</dependency>
模块info.java
module cl.YYY.parquet.parquetproject {
requires javafx.controls;
requires javafx.fxml;
requires hadoop.common;
requires parquet.hadoop;
requires parquet.column;
opens cl.YYY.parquet.parquetproject to javafx.fxml;
exports cl.YYY.parquet.parquetproject;
}
消息错误：
java: the unnamed module reads package shaded.parquet.it.unimi.dsi.fastutil.shorts from both parquet.hadoop and parquet.column
java: the unnamed module reads package shaded.parquet.it.unimi.dsi.fastutil.objects from both parquet.hadoop and parquet.column
java: the unnamed module reads package shaded.parquet.it.unimi.dsi.fastutil.longs from both parquet.hadoop and parquet.column
java: the unnamed module reads package shaded.parquet.it.unimi.dsi.fastutil.ints from both parquet.hadoop and parquet.column
java: the unnamed module reads package shaded.parquet.it.unimi.dsi.fastutil.floats from both parquet.hadoop and parquet.column
java: the unnamed module reads package shaded.parquet.it.unimi.dsi.fastutil.doubles from both parquet.hadoop and parquet.column
java: the unnamed module reads package shaded.parquet.it.unimi.dsi.fastutil.chars from both parquet.hadoop and parquet.column
java: the unnamed module reads package shaded.parquet.it.unimi.dsi.fastutil.bytes from both parquet.hadoop and parquet.column
java: the unnamed module reads package shaded.parquet.it.unimi.dsi.fastutil.booleans from both parquet.hadoop and parquet.column
java: the unnamed module reads package shaded.parquet.it.unimi.dsi.fastutil from both parquet.hadoop and parquet.column
java: the unnamed module reads package org.apache.parquet from both parquet.hadoop and parquet.column
java: the unnamed module reads package org.apache.parquet.filter2.compat from both parquet.hadoop and parquet.column
java: module jakarta.activation reads package shaded.parquet.it.unimi.dsi.fastutil.shorts from both parquet.column and parquet.hadoop
java: module jakarta.activation reads package shaded.parquet.it.unimi.dsi.fastutil.objects from both parquet.column and parquet.hadoop
java: module jakarta.activation reads package shaded.parquet.it.unimi.dsi.fastutil.longs from both parquet.column and parquet.hadoop
java: module jakarta.activation reads package shaded.parquet.it.unimi.dsi.fastutil.ints from both parquet.column and parquet.hadoop
java: module jakarta.activation reads package shaded.parquet.it.unimi.dsi.fastutil.floats from both parquet.column and parquet.hadoop
java: module jakarta.activation reads package shaded.parquet.it.unimi.dsi.fastutil.doubles from both parquet.column and parquet.hadoop
java: module jakarta.activation reads package shaded.parquet.it.unimi.dsi.fastutil.chars from both parquet.column and parquet.hadoop
java: module jakarta.activation reads package shaded.parquet.it.unimi.dsi.fastutil.bytes from both parquet.column and parquet.hadoop
java: module jakarta.activation reads package shaded.parquet.it.unimi.dsi.fastutil.booleans from both parquet.column and parquet.hadoop
java: module jakarta.activation reads package shaded.parquet.it.unimi.dsi.fastutil from both parquet.column and parquet.hadoop
java: module jakarta.activation reads package org.apache.parquet from both parquet.column and parquet.hadoop
java: module jakarta.activation reads package org.apache.parquet.filter2.compat from both parquet.column and parquet.hadoop
java: module parquet.hadoop reads package shaded.parquet.it.unimi.dsi.fastutil.shorts from both parquet.column and parquet.hadoop
java: module parquet.hadoop reads package shaded.parquet.it.unimi.dsi.fastutil.objects from both parquet.column and parquet.hadoop
java: module parquet.hadoop reads package shaded.parquet.it.unimi.dsi.fastutil.longs from both parquet.column and parquet.hadoop
java: module parquet.hadoop reads package shaded.parquet.it.unimi.dsi.fastutil.ints from both parquet.column and parquet.hadoop
java: module parquet.hadoop reads package shaded.parquet.it.unimi.dsi.fastutil.floats from both parquet.column and parquet.hadoop
java: module parquet.hadoop reads package shaded.parquet.it.unimi.dsi.fastutil.doubles from both parquet.column and parquet.hadoop
java: module parquet.hadoop reads package shaded.parquet.it.unimi.dsi.fastutil.chars from both parquet.column and parquet.hadoop
java: module parquet.hadoop reads package shaded.parquet.it.unimi.dsi.fastutil.bytes from both parquet.column and parquet.hadoop
java: module parquet.hadoop reads package shaded.parquet.it.unimi.dsi.fastutil.booleans from both parquet.column and parquet.hadoop
java: module parquet.hadoop reads package shaded.parquet.it.unimi.dsi.fastutil from both parquet.column and parquet.hadoop
java: module parquet.hadoop reads package org.apache.parquet from both parquet.column and parquet.hadoop
java: module parquet.hadoop reads package org.apache.parquet.filter2.compat from both parquet.column and parquet.hadoop
java: module parquet.column reads package shaded.parquet.it.unimi.dsi.fastutil.shorts from both parquet.hadoop and parquet.column
java: module parquet.column reads package shaded.parquet.it.unimi.dsi.fastutil.objects from both parquet.hadoop and parquet.column
java: module parquet.column reads package shaded.parquet.it.unimi.dsi.fastutil.longs from both parquet.hadoop and parquet.column
java: module parquet.column reads package shaded.parquet.it.unimi.dsi.fastutil.ints from both parquet.hadoop and parquet.column
java: module parquet.column reads package shaded.parquet.it.unimi.dsi.fastutil.floats from both parquet.hadoop and parquet.column
java: module parquet.column reads package shaded.parquet.it.unimi.dsi.fastutil.doubles from both parquet.hadoop and parquet.column
java: module parquet.column reads package shaded.parquet.it.unimi.dsi.fastutil.chars from both parquet.hadoop and parquet.column
java: module parquet.column reads package shaded.parquet.it.unimi.dsi.fastutil.bytes from both parquet.hadoop and parquet.column
java: module parquet.column reads package shaded.parquet.it.unimi.dsi.fastutil.booleans from both parquet.hadoop and parquet.column
java: module parquet.column reads package shaded.parquet.it.unimi.dsi.fastutil from both parquet.hadoop and parquet.column
java: module parquet.column reads package org.apache.parquet from both parquet.hadoop and parquet.column
java: module parquet.column reads package org.apache.parquet.filter2.compat from both parquet.hadoop and parquet.column
java: module hadoop.common reads package shaded.parquet.it.unimi.dsi.fastutil.shorts from both parquet.column and parquet.hadoop
java: module hadoop.common reads package shaded.parquet.it.unimi.dsi.fastutil.objects from both parquet.column and parquet.hadoop
java: module hadoop.common reads package shaded.parquet.it.unimi.dsi.fastutil.longs from both parquet.column and parquet.hadoop
java: module hadoop.common reads package shaded.parquet.it.unimi.dsi.fastutil.ints from both parquet.column and parquet.hadoop
java: module hadoop.common reads package shaded.parquet.it.unimi.dsi.fastutil.floats from both parquet.column and parquet.hadoop
java: module hadoop.common reads package shaded.parquet.it.unimi.dsi.fastutil.doubles from both parquet.column and parquet.hadoop
java: module hadoop.common reads package shaded.parquet.it.unimi.dsi.fastutil.chars from both parquet.column and parquet.hadoop
java: module hadoop.common reads package shaded.parquet.it.unimi.dsi.fastutil.bytes from both parquet.column and parquet.hadoop
java: module hadoop.common reads package shaded.parquet.it.unimi.dsi.fastutil.booleans from both parquet.column and parquet.hadoop
java: module hadoop.common reads package shaded.parquet.it.unimi.dsi.fastutil from both parquet.column and parquet.hadoop
java: module hadoop.common reads package org.apache.parquet from both parquet.column and parquet.hadoop
java: module hadoop.common reads package org.apache.parquet.filter2.compat from both parquet.column and parquet.hadoop
Checking dependencies… [ParquetProject]
Dependency analysis found 0 affected files
Errors occurred while compiling module 'ParquetProject'
javac 18.0.1.1 was used to compile java sources
Finished, saving caches…
Compilation failed: errors: 61; warnings: 0
Executing post-compile tasks...
Loading Ant configuration...
Running Ant tasks...
Synchronizing output directories...
20-05-2022 10:06 - Build completed with 61 errors and 0 warnings in 2 sec, 600 ms
I am building a JavaFX application using maven, to read parquet files, but when compiling I get an error:
java: the unnamed module reads package shaded.parquet.*
This happens when I add the library:
parquet.column
Any idea of the problem?
POM.XML (Dependency)
<dependency>
<groupId>org.apache.hadoop</groupId>
<artifactId>hadoop-client</artifactId>
<version>3.3.3</version>
</dependency>
<dependency>
<groupId>org.apache.parquet</groupId>
<artifactId>parquet-avro</artifactId>
<version> 1.12.2</version> <!-- or latest version -->
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.parquet/parquet-avro -->
<dependency>
<groupId>org.apache.parquet</groupId>
<artifactId>parquet-avro</artifactId>
<version>1.12.2</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.parquet/parquet-hadoop -->
<dependency>
<groupId>org.apache.parquet</groupId>
<artifactId>parquet-hadoop</artifactId>
<version>1.12.2</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.parquet/parquet-column -->
<dependency>
<groupId>org.apache.parquet</groupId>
<artifactId>parquet-column</artifactId>
<version>1.12.2</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.parquet/parquet-hadoop-bundle -->
<dependency>
<groupId>org.apache.parquet</groupId>
<artifactId>parquet-hadoop-bundle</artifactId>
<version>1.12.2</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.parquet/parquet-thrift -->
<dependency>
<groupId>org.apache.parquet</groupId>
<artifactId>parquet-thrift</artifactId>
<version>1.12.2</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.parquet/parquet-protobuf -->
<dependency>
<groupId>org.apache.parquet</groupId>
<artifactId>parquet-protobuf</artifactId>
<version>1.12.2</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.parquet/parquet-jackson -->
<dependency>
<groupId>org.apache.parquet</groupId>
<artifactId>parquet-jackson</artifactId>
<version>1.12.2</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.parquet/parquet-encoding -->
<dependency>
<groupId>org.apache.parquet</groupId>
<artifactId>parquet-encoding</artifactId>
<version>1.12.2</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.apache.parquet/parquet-format -->
<dependency>
<groupId>org.apache.parquet</groupId>
<artifactId>parquet-format</artifactId>
<version>2.9.0</version>
</dependency>
module-info.java
module cl.YYY.parquet.parquetproject {
requires javafx.controls;
requires javafx.fxml;
requires hadoop.common;
requires parquet.hadoop;
requires parquet.column;
opens cl.YYY.parquet.parquetproject to javafx.fxml;
exports cl.YYY.parquet.parquetproject;
}
Message Error:
java: the unnamed module reads package shaded.parquet.it.unimi.dsi.fastutil.shorts from both parquet.hadoop and parquet.column
java: the unnamed module reads package shaded.parquet.it.unimi.dsi.fastutil.objects from both parquet.hadoop and parquet.column
java: the unnamed module reads package shaded.parquet.it.unimi.dsi.fastutil.longs from both parquet.hadoop and parquet.column
java: the unnamed module reads package shaded.parquet.it.unimi.dsi.fastutil.ints from both parquet.hadoop and parquet.column
java: the unnamed module reads package shaded.parquet.it.unimi.dsi.fastutil.floats from both parquet.hadoop and parquet.column
java: the unnamed module reads package shaded.parquet.it.unimi.dsi.fastutil.doubles from both parquet.hadoop and parquet.column
java: the unnamed module reads package shaded.parquet.it.unimi.dsi.fastutil.chars from both parquet.hadoop and parquet.column
java: the unnamed module reads package shaded.parquet.it.unimi.dsi.fastutil.bytes from both parquet.hadoop and parquet.column
java: the unnamed module reads package shaded.parquet.it.unimi.dsi.fastutil.booleans from both parquet.hadoop and parquet.column
java: the unnamed module reads package shaded.parquet.it.unimi.dsi.fastutil from both parquet.hadoop and parquet.column
java: the unnamed module reads package org.apache.parquet from both parquet.hadoop and parquet.column
java: the unnamed module reads package org.apache.parquet.filter2.compat from both parquet.hadoop and parquet.column
java: module jakarta.activation reads package shaded.parquet.it.unimi.dsi.fastutil.shorts from both parquet.column and parquet.hadoop
java: module jakarta.activation reads package shaded.parquet.it.unimi.dsi.fastutil.objects from both parquet.column and parquet.hadoop
java: module jakarta.activation reads package shaded.parquet.it.unimi.dsi.fastutil.longs from both parquet.column and parquet.hadoop
java: module jakarta.activation reads package shaded.parquet.it.unimi.dsi.fastutil.ints from both parquet.column and parquet.hadoop
java: module jakarta.activation reads package shaded.parquet.it.unimi.dsi.fastutil.floats from both parquet.column and parquet.hadoop
java: module jakarta.activation reads package shaded.parquet.it.unimi.dsi.fastutil.doubles from both parquet.column and parquet.hadoop
java: module jakarta.activation reads package shaded.parquet.it.unimi.dsi.fastutil.chars from both parquet.column and parquet.hadoop
java: module jakarta.activation reads package shaded.parquet.it.unimi.dsi.fastutil.bytes from both parquet.column and parquet.hadoop
java: module jakarta.activation reads package shaded.parquet.it.unimi.dsi.fastutil.booleans from both parquet.column and parquet.hadoop
java: module jakarta.activation reads package shaded.parquet.it.unimi.dsi.fastutil from both parquet.column and parquet.hadoop
java: module jakarta.activation reads package org.apache.parquet from both parquet.column and parquet.hadoop
java: module jakarta.activation reads package org.apache.parquet.filter2.compat from both parquet.column and parquet.hadoop
java: module parquet.hadoop reads package shaded.parquet.it.unimi.dsi.fastutil.shorts from both parquet.column and parquet.hadoop
java: module parquet.hadoop reads package shaded.parquet.it.unimi.dsi.fastutil.objects from both parquet.column and parquet.hadoop
java: module parquet.hadoop reads package shaded.parquet.it.unimi.dsi.fastutil.longs from both parquet.column and parquet.hadoop
java: module parquet.hadoop reads package shaded.parquet.it.unimi.dsi.fastutil.ints from both parquet.column and parquet.hadoop
java: module parquet.hadoop reads package shaded.parquet.it.unimi.dsi.fastutil.floats from both parquet.column and parquet.hadoop
java: module parquet.hadoop reads package shaded.parquet.it.unimi.dsi.fastutil.doubles from both parquet.column and parquet.hadoop
java: module parquet.hadoop reads package shaded.parquet.it.unimi.dsi.fastutil.chars from both parquet.column and parquet.hadoop
java: module parquet.hadoop reads package shaded.parquet.it.unimi.dsi.fastutil.bytes from both parquet.column and parquet.hadoop
java: module parquet.hadoop reads package shaded.parquet.it.unimi.dsi.fastutil.booleans from both parquet.column and parquet.hadoop
java: module parquet.hadoop reads package shaded.parquet.it.unimi.dsi.fastutil from both parquet.column and parquet.hadoop
java: module parquet.hadoop reads package org.apache.parquet from both parquet.column and parquet.hadoop
java: module parquet.hadoop reads package org.apache.parquet.filter2.compat from both parquet.column and parquet.hadoop
java: module parquet.column reads package shaded.parquet.it.unimi.dsi.fastutil.shorts from both parquet.hadoop and parquet.column
java: module parquet.column reads package shaded.parquet.it.unimi.dsi.fastutil.objects from both parquet.hadoop and parquet.column
java: module parquet.column reads package shaded.parquet.it.unimi.dsi.fastutil.longs from both parquet.hadoop and parquet.column
java: module parquet.column reads package shaded.parquet.it.unimi.dsi.fastutil.ints from both parquet.hadoop and parquet.column
java: module parquet.column reads package shaded.parquet.it.unimi.dsi.fastutil.floats from both parquet.hadoop and parquet.column
java: module parquet.column reads package shaded.parquet.it.unimi.dsi.fastutil.doubles from both parquet.hadoop and parquet.column
java: module parquet.column reads package shaded.parquet.it.unimi.dsi.fastutil.chars from both parquet.hadoop and parquet.column
java: module parquet.column reads package shaded.parquet.it.unimi.dsi.fastutil.bytes from both parquet.hadoop and parquet.column
java: module parquet.column reads package shaded.parquet.it.unimi.dsi.fastutil.booleans from both parquet.hadoop and parquet.column
java: module parquet.column reads package shaded.parquet.it.unimi.dsi.fastutil from both parquet.hadoop and parquet.column
java: module parquet.column reads package org.apache.parquet from both parquet.hadoop and parquet.column
java: module parquet.column reads package org.apache.parquet.filter2.compat from both parquet.hadoop and parquet.column
java: module hadoop.common reads package shaded.parquet.it.unimi.dsi.fastutil.shorts from both parquet.column and parquet.hadoop
java: module hadoop.common reads package shaded.parquet.it.unimi.dsi.fastutil.objects from both parquet.column and parquet.hadoop
java: module hadoop.common reads package shaded.parquet.it.unimi.dsi.fastutil.longs from both parquet.column and parquet.hadoop
java: module hadoop.common reads package shaded.parquet.it.unimi.dsi.fastutil.ints from both parquet.column and parquet.hadoop
java: module hadoop.common reads package shaded.parquet.it.unimi.dsi.fastutil.floats from both parquet.column and parquet.hadoop
java: module hadoop.common reads package shaded.parquet.it.unimi.dsi.fastutil.doubles from both parquet.column and parquet.hadoop
java: module hadoop.common reads package shaded.parquet.it.unimi.dsi.fastutil.chars from both parquet.column and parquet.hadoop
java: module hadoop.common reads package shaded.parquet.it.unimi.dsi.fastutil.bytes from both parquet.column and parquet.hadoop
java: module hadoop.common reads package shaded.parquet.it.unimi.dsi.fastutil.booleans from both parquet.column and parquet.hadoop
java: module hadoop.common reads package shaded.parquet.it.unimi.dsi.fastutil from both parquet.column and parquet.hadoop
java: module hadoop.common reads package org.apache.parquet from both parquet.column and parquet.hadoop
java: module hadoop.common reads package org.apache.parquet.filter2.compat from both parquet.column and parquet.hadoop
Checking dependencies… [ParquetProject]
Dependency analysis found 0 affected files
Errors occurred while compiling module 'ParquetProject'
javac 18.0.1.1 was used to compile java sources
Finished, saving caches…
Compilation failed: errors: 61; warnings: 0
Executing post-compile tasks...
Loading Ant configuration...
Running Ant tasks...
Synchronizing output directories...
20-05-2022 10:06 - Build completed with 61 errors and 0 warnings in 2 sec, 600 ms
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评论（1）
我在您的Module-info.java中看不到任何“ Shaded.parquet。”，因此解释了错误消息。您可能在Maven POM中使用阴影，而该模块系统无法很好地工作。
I don't see any "shaded.parquet.*" in your module-info.java, so that explains the error message. Probably you are using shading in your maven POM somewhere which doesn't work nicely with the module system.