muutanja error in aws server and not in localhost

Question

Hopefully it makes sense to make a question like this here:

I have an python3 api which it uses Flask to serve. I also have an clojure app that makes a post request targeting the python3 api. To do so I use clj-http with something like:

(client/post url-link
             {:basic-auth ["username"
                           "password"]
              :form-params json
              :content-type :json})

Now, when I test in my machine serving the python3 api locally, ie,

(def url-link "localhost:port/api-name")

it works smoothly. The issue comes because I will serve the python3 api from the amazon server. So my thought was to use the link of the amazon server. But when I do so, clojure complains with

HTTP ERROR 500 clojure.lang.ExceptionInfo: Malformed application/json in :muuntaja/encode {:type :muuntaja/encode, :format "application/json"}
URI:    /api/sell-call
STATUS: 500
MESSAGE:    clojure.lang.ExceptionInfo: Malformed application/json in :muuntaja/encode {:type :muuntaja/encode, :format "application/json"}
SERVLET:    -
CAUSED BY:  clojure.lang.ExceptionInfo: Malformed application/json in :muuntaja/encode {:type :muuntaja/encode, :format "application/json"}
CAUSED BY:  com.fasterxml.jackson.databind.JsonMappingException: (was java.lang.UnsupportedOperationException) (through reference chain: clojure.lang.PersistentArrayMap[":full_message"]->clojure.lang.ExceptionInfo["data"]->clojure.lang.PersistentHashMap[":http-client"]->org.apache.http.impl.client.InternalHttpClient["params"])
CAUSED BY:  java.lang.UnsupportedOperationException
clojure.lang.ExceptionInfo: Malformed application/json in :muuntaja/encode {:type :muuntaja/encode, :format "application/json"}
    at muuntaja.core$on_exception.invokeStatic(core.clj:284)
    at muuntaja.core$on_exception.invoke(core.clj:267)
    at clojure.core$partial$fn__5824.invoke(core.clj:2626)
    at muuntaja.core$create_coder$encode__10562.invoke(core.clj:346)
    at clojure.core$update.invokeStatic(core.clj:6198)
    at clojure.core$update.invoke(core.clj:6188)
    at muuntaja.core$create$_handle_response__10629.invoke(core.clj:443)
    at muuntaja.core$create$reify__10631.format_response(core.clj:486)
    at muuntaja.middleware$wrap_format_response$fn__10702.invoke(middleware.clj:132)
    at muuntaja.middleware$wrap_format_negotiate$fn__10695.invoke(middleware.clj:96)
    at ring.middleware.keyword_params$wrap_keyword_params$fn__9403.invoke(keyword_params.clj:53)
    at ring.middleware.nested_params$wrap_nested_params$fn__9461.invoke(nested_params.clj:89)
    at ring.middleware.params$wrap_params$fn__9535.invoke(params.clj:67)
    at compojure.api.middleware$wrap_inject_data$fn__11689.invoke(middleware.clj:96)
    at compojure.api.routes.Route.invoke(routes.clj:89)
    at ring.middleware.basic_authentication$wrap_basic_authentication$fn__16405.invoke(basic_authentication.clj:157)
    at clojure.lang.Var.invoke(Var.java:384)
    at ring.middleware.reload$wrap_reload$fn__1065.invoke(reload.clj:39)
    at ring.adapter.jetty$proxy_handler$fn__480.invoke(jetty.clj:27)
    at ring.adapter.jetty.proxy$org.eclipse.jetty.server.handler.AbstractHandler$ff19274a.handle(Unknown Source)
    at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
    at org.eclipse.jetty.server.Server.handle(Server.java:500)
    at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:386)
    at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:562)
    at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:378)
    at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:270)
    at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)
    at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103)
    at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:117)
    at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:806)
    at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:938)
    at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: com.fasterxml.jackson.databind.JsonMappingException: (was java.lang.UnsupportedOperationException) (through reference chain: clojure.lang.PersistentArrayMap[":full_message"]->clojure.lang.ExceptionInfo["data"]->clojure.lang.PersistentHashMap[":http-client"]->org.apache.http.impl.client.InternalHttpClient["params"])
    at com.fasterxml.jackson.databind.JsonMappingException.wrapWithPath(JsonMappingException.java:394)
    at com.fasterxml.jackson.databind.JsonMappingException.wrapWithPath(JsonMappingException.java:353)
    at com.fasterxml.jackson.databind.ser.std.StdSerializer.wrapAndThrow(StdSerializer.java:316)
    at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:727)
    at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:155)
    at com.fasterxml.jackson.databind.ser.std.MapSerializer.serializeFields(MapSerializer.java:722)
    at com.fasterxml.jackson.databind.ser.std.MapSerializer.serialize(MapSerializer.java:643)
    at com.fasterxml.jackson.databind.ser.std.MapSerializer.serialize(MapSerializer.java:33)
    at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:727)
    at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:719)
    at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:155)
    at com.fasterxml.jackson.databind.ser.std.MapSerializer.serializeFields(MapSerializer.java:722)
    at com.fasterxml.jackson.databind.ser.std.MapSerializer.serialize(MapSerializer.java:643)
    at com.fasterxml.jackson.databind.ser.std.MapSerializer.serialize(MapSerializer.java:33)
    at com.fasterxml.jackson.databind.ser.DefaultSerializerProvider._serialize(DefaultSerializerProvider.java:480)
    at com.fasterxml.jackson.databind.ser.DefaultSerializerProvider.serializeValue(DefaultSerializerProvider.java:319)
    at com.fasterxml.jackson.databind.ObjectMapper._configAndWriteValue(ObjectMapper.java:3905)
    at com.fasterxml.jackson.databind.ObjectMapper.writeValueAsBytes(ObjectMapper.java:3243)
    at jsonista.core$write_value_as_bytes.invokeStatic(core.clj:229)
    at jsonista.core$write_value_as_bytes.invoke(core.clj:221)
    at muuntaja.format.json$encoder$reify__10016.encode_to_bytes(json.clj:43)
    at muuntaja.core$create_coder$encode__10562.invoke(core.clj:344)
    ... 28 more
Caused by: java.lang.UnsupportedOperationException
    at org.apache.http.impl.client.InternalHttpClient.getParams(InternalHttpClient.java:211)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.base/java.lang.reflect.Method.invoke(Method.java:566)
    at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:688)
    at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:719)
    ... 46 more
com.fasterxml.jackson.databind.JsonMappingException: (was java.lang.UnsupportedOperationException) (through reference chain: clojure.lang.PersistentArrayMap[":full_message"]->clojure.lang.ExceptionInfo["data"]->clojure.lang.PersistentHashMap[":http-client"]->org.apache.http.impl.client.InternalHttpClient["params"])
    at com.fasterxml.jackson.databind.JsonMappingException.wrapWithPath(JsonMappingException.java:394)
    at com.fasterxml.jackson.databind.JsonMappingException.wrapWithPath(JsonMappingException.java:353)
    at com.fasterxml.jackson.databind.ser.std.StdSerializer.wrapAndThrow(StdSerializer.java:316)
    at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:727)
    at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:155)
    at com.fasterxml.jackson.databind.ser.std.MapSerializer.serializeFields(MapSerializer.java:722)
    at com.fasterxml.jackson.databind.ser.std.MapSerializer.serialize(MapSerializer.java:643)
    at com.fasterxml.jackson.databind.ser.std.MapSerializer.serialize(MapSerializer.java:33)
    at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:727)
    at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:719)
    at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:155)
    at com.fasterxml.jackson.databind.ser.std.MapSerializer.serializeFields(MapSerializer.java:722)
    at com.fasterxml.jackson.databind.ser.std.MapSerializer.serialize(MapSerializer.java:643)
    at com.fasterxml.jackson.databind.ser.std.MapSerializer.serialize(MapSerializer.java:33)
    at com.fasterxml.jackson.databind.ser.DefaultSerializerProvider._serialize(DefaultSerializerProvider.java:480)
    at com.fasterxml.jackson.databind.ser.DefaultSerializerProvider.serializeValue(DefaultSerializerProvider.java:319)
    at com.fasterxml.jackson.databind.ObjectMapper._configAndWriteValue(ObjectMapper.java:3905)
    at com.fasterxml.jackson.databind.ObjectMapper.writeValueAsBytes(ObjectMapper.java:3243)
    at jsonista.core$write_value_as_bytes.invokeStatic(core.clj:229)
    at jsonista.core$write_value_as_bytes.invoke(core.clj:221)
    at muuntaja.format.json$encoder$reify__10016.encode_to_bytes(json.clj:43)
    at muuntaja.core$create_coder$encode__10562.invoke(core.clj:344)
    at clojure.core$update.invokeStatic(core.clj:6198)
    at clojure.core$update.invoke(core.clj:6188)
    at muuntaja.core$create$_handle_response__10629.invoke(core.clj:443)
    at muuntaja.core$create$reify__10631.format_response(core.clj:486)
    at muuntaja.middleware$wrap_format_response$fn__10702.invoke(middleware.clj:132)
    at muuntaja.middleware$wrap_format_negotiate$fn__10695.invoke(middleware.clj:96)
    at ring.middleware.keyword_params$wrap_keyword_params$fn__9403.invoke(keyword_params.clj:53)
    at ring.middleware.nested_params$wrap_nested_params$fn__9461.invoke(nested_params.clj:89)
    at ring.middleware.params$wrap_params$fn__9535.invoke(params.clj:67)
    at compojure.api.middleware$wrap_inject_data$fn__11689.invoke(middleware.clj:96)
    at compojure.api.routes.Route.invoke(routes.clj:89)
    at ring.middleware.basic_authentication$wrap_basic_authentication$fn__16405.invoke(basic_authentication.clj:157)
    at clojure.lang.Var.invoke(Var.java:384)
    at ring.middleware.reload$wrap_reload$fn__1065.invoke(reload.clj:39)
    at ring.adapter.jetty$proxy_handler$fn__480.invoke(jetty.clj:27)
    at ring.adapter.jetty.proxy$org.eclipse.jetty.server.handler.AbstractHandler$ff19274a.handle(Unknown Source)
    at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
    at org.eclipse.jetty.server.Server.handle(Server.java:500)
    at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:386)
    at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:562)
    at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:378)
    at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:270)
    at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)
    at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103)
    at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:117)
    at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:806)
    at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:938)
    at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: java.lang.UnsupportedOperationException
    at org.apache.http.impl.client.InternalHttpClient.getParams(InternalHttpClient.java:211)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.base/java.lang.reflect.Method.invoke(Method.java:566)
    at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:688)
    at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:719)
    ... 46 more
java.lang.UnsupportedOperationException
    at org.apache.http.impl.client.InternalHttpClient.getParams(InternalHttpClient.java:211)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.base/java.lang.reflect.Method.invoke(Method.java:566)
    at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:688)
    at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:719)
    at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:155)
    at com.fasterxml.jackson.databind.ser.std.MapSerializer.serializeFields(MapSerializer.java:722)
    at com.fasterxml.jackson.databind.ser.std.MapSerializer.serialize(MapSerializer.java:643)
    at com.fasterxml.jackson.databind.ser.std.MapSerializer.serialize(MapSerializer.java:33)
    at com.fasterxml.jackson.databind.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:727)
    at com.fasterxml.jackson.databind.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:719)
    at com.fasterxml.jackson.databind.ser.BeanSerializer.serialize(BeanSerializer.java:155)
    at com.fasterxml.jackson.databind.ser.std.MapSerializer.serializeFields(MapSerializer.java:722)
    at com.fasterxml.jackson.databind.ser.std.MapSerializer.serialize(MapSerializer.java:643)
    at com.fasterxml.jackson.databind.ser.std.MapSerializer.serialize(MapSerializer.java:33)
    at com.fasterxml.jackson.databind.ser.DefaultSerializerProvider._serialize(DefaultSerializerProvider.java:480)
    at com.fasterxml.jackson.databind.ser.DefaultSerializerProvider.serializeValue(DefaultSerializerProvider.java:319)
    at com.fasterxml.jackson.databind.ObjectMapper._configAndWriteValue(ObjectMapper.java:3905)
    at com.fasterxml.jackson.databind.ObjectMapper.writeValueAsBytes(ObjectMapper.java:3243)
    at jsonista.core$write_value_as_bytes.invokeStatic(core.clj:229)
    at jsonista.core$write_value_as_bytes.invoke(core.clj:221)
    at muuntaja.format.json$encoder$reify__10016.encode_to_bytes(json.clj:43)
    at muuntaja.core$create_coder$encode__10562.invoke(core.clj:344)
    at clojure.core$update.invokeStatic(core.clj:6198)
    at clojure.core$update.invoke(core.clj:6188)
    at muuntaja.core$create$_handle_response__10629.invoke(core.clj:443)
    at muuntaja.core$create$reify__10631.format_response(core.clj:486)
    at muuntaja.middleware$wrap_format_response$fn__10702.invoke(middleware.clj:132)
    at muuntaja.middleware$wrap_format_negotiate$fn__10695.invoke(middleware.clj:96)
    at ring.middleware.keyword_params$wrap_keyword_params$fn__9403.invoke(keyword_params.clj:53)
    at ring.middleware.nested_params$wrap_nested_params$fn__9461.invoke(nested_params.clj:89)
    at ring.middleware.params$wrap_params$fn__9535.invoke(params.clj:67)
    at compojure.api.middleware$wrap_inject_data$fn__11689.invoke(middleware.clj:96)
    at compojure.api.routes.Route.invoke(routes.clj:89)
    at ring.middleware.basic_authentication$wrap_basic_authentication$fn__16405.invoke(basic_authentication.clj:157)
    at clojure.lang.Var.invoke(Var.java:384)
    at ring.middleware.reload$wrap_reload$fn__1065.invoke(reload.clj:39)
    at ring.adapter.jetty$proxy_handler$fn__480.invoke(jetty.clj:27)
    at ring.adapter.jetty.proxy$org.eclipse.jetty.server.handler.AbstractHandler$ff19274a.handle(Unknown Source)
    at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
    at org.eclipse.jetty.server.Server.handle(Server.java:500)
    at org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:386)
    at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:562)
    at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:378)
    at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:270)
    at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)
    at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:103)
    at org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:117)
    at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:806)
    at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:938)
    at java.base/java.lang.Thread.run(Thread.java:834)
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So, is it possible to say what I am doing wrong? Is there a way to work around it from the client side?

Note: The problem is that this is a code from my work and I would like to not share much of the specifics from it. I am asking because maybe I am missing a simple solution. If this question does not make sense to be in here, let me know and I will delete it.

I appreciate any help!

Answer 1

I have figured out what happened. There was an internal error in the python application in the amazon server, so when it returned to the clojure app, it did not know how to transform the error into a JSON (which is expected). So the solution was to deal with the error in the python application to return a JSON regarding the problem.

In my local machine worked because I had all non python dependencies to make the application work. Thanks for the help!