I'm trying to API testing but error when run/send

Product Forums Katalon Studio
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com.kms.katalon.core.webservice.exception.SendRequestException: org.apache.http.conn.HttpHostConnectException: Connect to :0 [localhost/127.0.0.1] failed: Connection refused: connect
at com.kms.katalon.core.webservice.common.HttpUtil.sendRequest(HttpUtil.java:173)
at com.kms.katalon.core.webservice.common.BasicRequestor.send(BasicRequestor.java:58)
at com.kms.katalon.controller.WebServiceController.sendRequest(WebServiceController.java:170)
at com.kms.katalon.composer.webservice.parts.RestServicePart$8.run(RestServicePart.java:293)
at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:122)
Caused by: org.apache.http.conn.HttpHostConnectException: Connect to :0 [localhost/127.0.0.1] failed: Connection refused: connect
at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:151)
at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:353)
at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:388)
at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:184)
at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:88)
at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:184)
at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82)
at com.kms.katalon.core.webservice.common.HttpUtil.sendRequest(HttpUtil.java:145)
… 4 more
Caused by: java.net.ConnectException: Connection refused: connect
at org.apache.http.conn.socket.PlainConnectionSocketFactory.connectSocket(PlainConnectionSocketFactory.java:74)
at org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:134)
… 12 more

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Hi,

It seems like the error of the connection of API calling. I found these similar: maven - org.apache.http.conn.HttpHostConnectException: Connect to localhost:19538 [localhost/0:0:0:0:0:0:0:1] failed: Connection refused (Connection refused) - Stack Overflow and Plugin Store behind firewall - #6 by kellera50. Please try

1 Like
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Hi @Elly_Tran ,

Thank you for your info.
this already solve Reload plugins is not working in katalon V6.2.0 - #34 by lsasaki

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