Erro ao conectar com banco Oracle XE
Conexão funcionando pelo SQL*Plus, mas dando erro pelo SQL Developer
Eu instalei Oracle Database 11g Express Edition (XE) na minha máquina com as configurações padrões, sempre seguindo com next, next e next. Por possuir uma versão do Windows 64 bits e a Oracle disponibilizar instalador apenas para a de 32 bits (conforme falei nesse post), tive que fazer um procedimento na instalação, mas eu testei a conexão pelo SQL*Plus e funcionou normalmente.
O problema apareceu quando eu tentei me conectar pelo SQL Developer. Apareceu o seguinte erro “The network adapter could not establish the connection“, conforme mostrado abaixo:
Então entrei na pasta “bin” do diretório de instalação do banco, no meu caso C:\oraclexe\app\oracle\product\11.2.0\server\bin
, e executei o seguinte comando:
lsnrctl start
Ao executar esse comando, foi retornado o erro abaixo:
Failed to start service, error 0 TNS-12560: TNS:erro de adaptador de protocolo
Esse erro ocorreu porque a minha variável de ambiente “ORACLE_HOME” não estava definida. Bastou eu clicar no menu iniciar, botão direito em Computador e Propriedades. Depois selecionei Configurações avançadas do sistema e na aba Avançado em Variáveis de Ambiente. Em Variáveis do sistema eu cliquei em Novo e informei ORACLE_HOME e o caminho C:\oraclexe\app\oracle\product\11.2.0\server
.
Pronto. Parei e iniciei o serviço do banco e funcionou normalmente.
Boa sorte.
97 Replies to “Erro ao conectar com banco Oracle XE”
Seus comentários foram de muita ajuda, mas tive que “catar” algumas informações de outros… Meu sistema é Windows 7 Home Premium 64. Instalei o Oracle XE e tentei conexão com o Delphi 7 e RDS2010, após muita luta consegui sucesso. vou escrever uma documentação com o ocorrido e enviarei…
Samuel, se você puder publicar o que ocorreu com você agradeço.
Bom dia,
Ao tentar conectar com o SQL*PLUS, retornava a mesma mensagem: “ora 12560 tns erro de adaptador de protocolo”
O problema foi resolvido
1) Configurando as variáveis de ambiente
2) Verifiquei que o banco de dados estava “parado”. Pude contar através de :
Painel de controle\ Sistema de seguraça\ Ferramentas administrativas\ Serviços\OracleServiceXE
3) Cliquei duas vezes sobre o serviço “OracleServiceXE” e depois em “iniciar” e “ok”.
Após inicializar o Banco de dados consegui conectar novamente tanto com o SQL*PLUS tanto como com o SQL Developer.
Abraços
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