build failed,get solcJ-all-0.4.25.pom 502

[root@localhost amdb-proxy]# ./gradlew build -x test
Starting a Gradle Daemon (subsequent builds will be faster)

Task :compileJava FAILED

FAILURE: Build failed with an exception.

What went wrong:
Execution failed for task ':compileJava'.
Could not resolve all files for configuration ':compileClasspath'.
Could not resolve org.ethereum:solcJ-all:0.4.25.
Required by:
project :
project : > org.fisco-bcos:web3sdk:2.6.2
> Could not resolve org.ethereum:solcJ-all:0.4.25.
> Could not get resource '[https://dl.bintray.com/ethereum/maven/org/ethereum/solcJ-all/0.4.25/solcJ-all-0.4.25.pom](https://gitee.com/link?target=https%3A%2F%2Fdl.bintray.com%2Fethereum%2Fmaven%2Forg%2Fethereum%2FsolcJ-all%2F0.4.25%2FsolcJ-all-0.4.25.pom)'.
> Could not GET '[https://dl.bintray.com/ethereum/maven/org/ethereum/solcJ-all/0.4.25/solcJ-all-0.4.25.pom](https://gitee.com/link?target=https%3A%2F%2Fdl.bintray.com%2Fethereum%2Fmaven%2Forg%2Fethereum%2FsolcJ-all%2F0.4.25%2FsolcJ-all-0.4.25.pom)'. Received status code 502 from server: Bad Gateway

Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.

Get more help at [https://help.gradle.org](https://gitee.com/link?target=https%3A%2F%2Fhelp.gradle.org)

BUILD FAILED in 11s
1 actionable task: 1 executed